diff --git a/erpnext/e_commerce/doctype/e_commerce_settings/e_commerce_settings.json b/erpnext/e_commerce/doctype/e_commerce_settings/e_commerce_settings.json
index d5fb969..e6f08f7 100644
--- a/erpnext/e_commerce/doctype/e_commerce_settings/e_commerce_settings.json
+++ b/erpnext/e_commerce/doctype/e_commerce_settings/e_commerce_settings.json
@@ -47,7 +47,7 @@
   "item_search_settings_section",
   "redisearch_warning",
   "search_index_fields",
-  "show_categories_in_search_autocomplete",
+  "is_redisearch_enabled",
   "is_redisearch_loaded",
   "shop_by_category_section",
   "slideshow",
@@ -293,6 +293,7 @@
    "fieldname": "search_index_fields",
    "fieldtype": "Small Text",
    "label": "Search Index Fields",
+   "mandatory_depends_on": "is_redisearch_enabled",
    "read_only_depends_on": "eval:!doc.is_redisearch_loaded"
   },
   {
@@ -302,13 +303,6 @@
    "label": "Item Search Settings"
   },
   {
-   "default": "1",
-   "fieldname": "show_categories_in_search_autocomplete",
-   "fieldtype": "Check",
-   "label": "Show Categories in Search Autocomplete",
-   "read_only_depends_on": "eval:!doc.is_redisearch_loaded"
-  },
-  {
    "default": "0",
    "fieldname": "is_redisearch_loaded",
    "fieldtype": "Check",
@@ -365,12 +359,19 @@
    "fieldname": "show_price_in_quotation",
    "fieldtype": "Check",
    "label": "Show Price in Quotation"
+  },
+  {
+   "default": "0",
+   "fieldname": "is_redisearch_enabled",
+   "fieldtype": "Check",
+   "label": "Enable Redisearch",
+   "read_only_depends_on": "eval:!doc.is_redisearch_loaded"
   }
  ],
  "index_web_pages_for_search": 1,
  "issingle": 1,
  "links": [],
- "modified": "2021-09-02 14:02:44.785824",
+ "modified": "2022-04-01 18:35:56.106756",
  "modified_by": "Administrator",
  "module": "E-commerce",
  "name": "E Commerce Settings",
@@ -389,5 +390,6 @@
  ],
  "sort_field": "modified",
  "sort_order": "DESC",
+ "states": [],
  "track_changes": 1
 }
\ No newline at end of file
diff --git a/erpnext/e_commerce/doctype/e_commerce_settings/e_commerce_settings.py b/erpnext/e_commerce/doctype/e_commerce_settings/e_commerce_settings.py
index 881d833..f85667e 100644
--- a/erpnext/e_commerce/doctype/e_commerce_settings/e_commerce_settings.py
+++ b/erpnext/e_commerce/doctype/e_commerce_settings/e_commerce_settings.py
@@ -9,6 +9,7 @@
 
 from erpnext.e_commerce.redisearch_utils import (
 	create_website_items_index,
+	define_autocomplete_dictionary,
 	get_indexable_web_fields,
 	is_search_module_loaded,
 )
@@ -21,6 +22,8 @@
 class ECommerceSettings(Document):
 	def onload(self):
 		self.get("__onload").quotation_series = frappe.get_meta("Quotation").get_options("naming_series")
+
+		# flag >> if redisearch is installed and loaded
 		self.is_redisearch_loaded = is_search_module_loaded()
 
 	def validate(self):
@@ -34,6 +37,20 @@
 
 		frappe.clear_document_cache("E Commerce Settings", "E Commerce Settings")
 
+		self.is_redisearch_enabled_pre_save = frappe.db.get_single_value(
+			"E Commerce Settings", "is_redisearch_enabled"
+		)
+
+	def after_save(self):
+		self.create_redisearch_indexes()
+
+	def create_redisearch_indexes(self):
+		# if redisearch is enabled (value changed) create indexes and dictionary
+		value_changed = self.is_redisearch_enabled != self.is_redisearch_enabled_pre_save
+		if self.is_redisearch_loaded and self.is_redisearch_enabled and value_changed:
+			define_autocomplete_dictionary()
+			create_website_items_index()
+
 	def validate_field_filters(self):
 		if not (self.enable_field_filters and self.filter_fields):
 			return
diff --git a/erpnext/e_commerce/redisearch_utils.py b/erpnext/e_commerce/redisearch_utils.py
index 82829bf..f2dd796 100644
--- a/erpnext/e_commerce/redisearch_utils.py
+++ b/erpnext/e_commerce/redisearch_utils.py
@@ -1,8 +1,12 @@
-# Copyright (c) 2021, Frappe Technologies Pvt. Ltd. and Contributors
+# Copyright (c) 2022, Frappe Technologies Pvt. Ltd. and Contributors
 # License: GNU General Public License v3. See license.txt
 
+import json
+
 import frappe
+from frappe import _
 from frappe.utils.redis_wrapper import RedisWrapper
+from redis import ResponseError
 from redisearch import AutoCompleter, Client, IndexDefinition, Suggestion, TagField, TextField
 
 WEBSITE_ITEM_INDEX = "website_items_index"
@@ -22,6 +26,12 @@
 	return [df.fieldname for df in valid_fields]
 
 
+def is_redisearch_enabled():
+	"Return True only if redisearch is loaded and enabled."
+	is_redisearch_enabled = frappe.db.get_single_value("E Commerce Settings", "is_redisearch_enabled")
+	return is_search_module_loaded() and is_redisearch_enabled
+
+
 def is_search_module_loaded():
 	try:
 		cache = frappe.cache()
@@ -32,14 +42,14 @@
 		)
 		return "search" in parsed_output
 	except Exception:
-		return False
+		return False  # handling older redis versions
 
 
-def if_redisearch_loaded(function):
-	"Decorator to check if Redisearch is loaded."
+def if_redisearch_enabled(function):
+	"Decorator to check if Redisearch is enabled."
 
 	def wrapper(*args, **kwargs):
-		if is_search_module_loaded():
+		if is_redisearch_enabled():
 			func = function(*args, **kwargs)
 			return func
 		return
@@ -51,22 +61,25 @@
 	return "{0}|{1}".format(frappe.conf.db_name, key).encode("utf-8")
 
 
-@if_redisearch_loaded
+@if_redisearch_enabled
 def create_website_items_index():
 	"Creates Index Definition."
 
 	# CREATE index
 	client = Client(make_key(WEBSITE_ITEM_INDEX), conn=frappe.cache())
 
-	# DROP if already exists
 	try:
-		client.drop_index()
-	except Exception:
+		client.drop_index()  # drop if already exists
+	except ResponseError:
+		# will most likely raise a ResponseError if index does not exist
+		# ignore and create index
 		pass
+	except Exception:
+		raise_redisearch_error()
 
 	idx_def = IndexDefinition([make_key(WEBSITE_ITEM_KEY_PREFIX)])
 
-	# Based on e-commerce settings
+	# Index fields mentioned in e-commerce settings
 	idx_fields = frappe.db.get_single_value("E Commerce Settings", "search_index_fields")
 	idx_fields = idx_fields.split(",") if idx_fields else []
 
@@ -91,20 +104,20 @@
 	return TextField(field)
 
 
-@if_redisearch_loaded
+@if_redisearch_enabled
 def insert_item_to_index(website_item_doc):
 	# Insert item to index
 	key = get_cache_key(website_item_doc.name)
 	cache = frappe.cache()
 	web_item = create_web_item_map(website_item_doc)
 
-	for k, v in web_item.items():
-		super(RedisWrapper, cache).hset(make_key(key), k, v)
+	for field, value in web_item.items():
+		super(RedisWrapper, cache).hset(make_key(key), field, value)
 
 	insert_to_name_ac(website_item_doc.web_item_name, website_item_doc.name)
 
 
-@if_redisearch_loaded
+@if_redisearch_enabled
 def insert_to_name_ac(web_name, doc_name):
 	ac = AutoCompleter(make_key(WEBSITE_ITEM_NAME_AUTOCOMPLETE), conn=frappe.cache())
 	ac.add_suggestions(Suggestion(web_name, payload=doc_name))
@@ -114,20 +127,20 @@
 	fields_to_index = get_fields_indexed()
 	web_item = {}
 
-	for f in fields_to_index:
-		web_item[f] = website_item_doc.get(f) or ""
+	for field in fields_to_index:
+		web_item[field] = website_item_doc.get(field) or ""
 
 	return web_item
 
 
-@if_redisearch_loaded
+@if_redisearch_enabled
 def update_index_for_item(website_item_doc):
 	# Reinsert to Cache
 	insert_item_to_index(website_item_doc)
 	define_autocomplete_dictionary()
 
 
-@if_redisearch_loaded
+@if_redisearch_enabled
 def delete_item_from_index(website_item_doc):
 	cache = frappe.cache()
 	key = get_cache_key(website_item_doc.name)
@@ -135,13 +148,13 @@
 	try:
 		cache.delete(key)
 	except Exception:
-		return False
+		raise_redisearch_error()
 
 	delete_from_ac_dict(website_item_doc)
 	return True
 
 
-@if_redisearch_loaded
+@if_redisearch_enabled
 def delete_from_ac_dict(website_item_doc):
 	"""Removes this items's name from autocomplete dictionary"""
 	cache = frappe.cache()
@@ -149,40 +162,60 @@
 	name_ac.delete(website_item_doc.web_item_name)
 
 
-@if_redisearch_loaded
+@if_redisearch_enabled
 def define_autocomplete_dictionary():
-	"""Creates an autocomplete search dictionary for `name`.
-	Also creats autocomplete dictionary for `categories` if
-	checked in E Commerce Settings"""
+	"""
+	Defines/Redefines an autocomplete search dictionary for Website Item Name.
+	Also creats autocomplete dictionary for Published Item Groups.
+	"""
 
 	cache = frappe.cache()
-	name_ac = AutoCompleter(make_key(WEBSITE_ITEM_NAME_AUTOCOMPLETE), conn=cache)
-	cat_ac = AutoCompleter(make_key(WEBSITE_ITEM_CATEGORY_AUTOCOMPLETE), conn=cache)
-
-	ac_categories = frappe.db.get_single_value(
-		"E Commerce Settings", "show_categories_in_search_autocomplete"
-	)
+	item_ac = AutoCompleter(make_key(WEBSITE_ITEM_NAME_AUTOCOMPLETE), conn=cache)
+	item_group_ac = AutoCompleter(make_key(WEBSITE_ITEM_CATEGORY_AUTOCOMPLETE), conn=cache)
 
 	# Delete both autocomplete dicts
 	try:
 		cache.delete(make_key(WEBSITE_ITEM_NAME_AUTOCOMPLETE))
 		cache.delete(make_key(WEBSITE_ITEM_CATEGORY_AUTOCOMPLETE))
 	except Exception:
-		return False
+		raise_redisearch_error()
 
+	create_items_autocomplete_dict(autocompleter=item_ac)
+	create_item_groups_autocomplete_dict(autocompleter=item_group_ac)
+
+
+@if_redisearch_enabled
+def create_items_autocomplete_dict(autocompleter):
+	"Add items as suggestions in Autocompleter."
 	items = frappe.get_all(
 		"Website Item", fields=["web_item_name", "item_group"], filters={"published": 1}
 	)
 
 	for item in items:
-		name_ac.add_suggestions(Suggestion(item.web_item_name))
-		if ac_categories and item.item_group:
-			cat_ac.add_suggestions(Suggestion(item.item_group))
-
-	return True
+		autocompleter.add_suggestions(Suggestion(item.web_item_name))
 
 
-@if_redisearch_loaded
+@if_redisearch_enabled
+def create_item_groups_autocomplete_dict(autocompleter):
+	"Add item groups with weightage as suggestions in Autocompleter."
+	published_item_groups = frappe.get_all(
+		"Item Group", fields=["name", "route", "weightage"], filters={"show_in_website": 1}
+	)
+	if not published_item_groups:
+		return
+
+	for item_group in published_item_groups:
+		payload = json.dumps({"name": item_group.name, "route": item_group.route})
+		autocompleter.add_suggestions(
+			Suggestion(
+				string=item_group.name,
+				score=frappe.utils.flt(item_group.weightage) or 1.0,
+				payload=payload,  # additional info that can be retrieved later
+			)
+		)
+
+
+@if_redisearch_enabled
 def reindex_all_web_items():
 	items = frappe.get_all("Website Item", fields=get_fields_indexed(), filters={"published": True})
 
@@ -191,8 +224,8 @@
 		web_item = create_web_item_map(item)
 		key = make_key(get_cache_key(item.name))
 
-		for k, v in web_item.items():
-			super(RedisWrapper, cache).hset(key, k, v)
+		for field, value in web_item.items():
+			super(RedisWrapper, cache).hset(key, field, value)
 
 
 def get_cache_key(name):
@@ -210,7 +243,12 @@
 	return fields_to_index
 
 
-# TODO: Remove later
-# # Figure out a way to run this at startup
-define_autocomplete_dictionary()
-create_website_items_index()
+def raise_redisearch_error():
+	"Create an Error Log and raise error."
+	traceback = frappe.get_traceback()
+	log = frappe.log_error(traceback, frappe._("Redisearch Error"))
+	log_link = frappe.utils.get_link_to_form("Error Log", log.name)
+
+	frappe.throw(
+		msg=_("Something went wrong. Check {0}").format(log_link), title=_("Redisearch Error")
+	)
diff --git a/erpnext/templates/pages/product_search.py b/erpnext/templates/pages/product_search.py
index 77a749e..3ed056f 100644
--- a/erpnext/templates/pages/product_search.py
+++ b/erpnext/templates/pages/product_search.py
@@ -1,6 +1,8 @@
 # Copyright (c) 2021, Frappe Technologies Pvt. Ltd. and Contributors
 # License: GNU General Public License v3. See license.txt
 
+import json
+
 import frappe
 from frappe.utils import cint, cstr
 from redisearch import AutoCompleter, Client, Query
@@ -9,7 +11,7 @@
 	WEBSITE_ITEM_CATEGORY_AUTOCOMPLETE,
 	WEBSITE_ITEM_INDEX,
 	WEBSITE_ITEM_NAME_AUTOCOMPLETE,
-	is_search_module_loaded,
+	is_redisearch_enabled,
 	make_key,
 )
 from erpnext.e_commerce.shopping_cart.product_info import set_product_info_for_website
@@ -74,8 +76,8 @@
 def product_search(query, limit=10, fuzzy_search=True):
 	search_results = {"from_redisearch": True, "results": []}
 
-	if not is_search_module_loaded():
-		# Redisearch module not loaded
+	if not is_redisearch_enabled():
+		# Redisearch module not enabled
 		search_results["from_redisearch"] = False
 		search_results["results"] = get_product_data(query, 0, limit)
 		return search_results
@@ -86,6 +88,8 @@
 	red = frappe.cache()
 	query = clean_up_query(query)
 
+	# TODO: Check perf/correctness with Suggestions & Query vs only Query
+	# TODO: Use Levenshtein Distance in Query (max=3)
 	ac = AutoCompleter(make_key(WEBSITE_ITEM_NAME_AUTOCOMPLETE), conn=red)
 	client = Client(make_key(WEBSITE_ITEM_INDEX), conn=red)
 	suggestions = ac.get_suggestions(
@@ -121,8 +125,8 @@
 def get_category_suggestions(query):
 	search_results = {"results": []}
 
-	if not is_search_module_loaded():
-		# Redisearch module not loaded, query db
+	if not is_redisearch_enabled():
+		# Redisearch module not enabled, query db
 		categories = frappe.db.get_all(
 			"Item Group",
 			filters={"name": ["like", "%{0}%".format(query)], "show_in_website": 1},
@@ -135,8 +139,10 @@
 		return search_results
 
 	ac = AutoCompleter(make_key(WEBSITE_ITEM_CATEGORY_AUTOCOMPLETE), conn=frappe.cache())
-	suggestions = ac.get_suggestions(query, num=10)
+	suggestions = ac.get_suggestions(query, num=10, with_payloads=True)
 
-	search_results["results"] = [s.string for s in suggestions]
+	results = [json.loads(s.payload) for s in suggestions]
+
+	search_results["results"] = results
 
 	return search_results