fix(Asset Repair): Fix depreciation_amount calculation
diff --git a/erpnext/assets/doctype/asset/asset.py b/erpnext/assets/doctype/asset/asset.py
index 18e3ffc..93b05eb 100644
--- a/erpnext/assets/doctype/asset/asset.py
+++ b/erpnext/assets/doctype/asset/asset.py
@@ -789,7 +789,7 @@
 
 	if row.depreciation_method in ("Straight Line", "Manual"):
 		# if the Depreciation Schedule is being prepared for the first time
-		if not asset.to_date:
+		if not asset.edit_dates:
 			depreciation_amount = (flt(row.value_after_depreciation) -
 				flt(row.expected_value_after_useful_life)) / depreciation_left
 
diff --git a/erpnext/regional/india/utils.py b/erpnext/regional/india/utils.py
index a4466e7..11b19ae 100644
--- a/erpnext/regional/india/utils.py
+++ b/erpnext/regional/india/utils.py
@@ -834,8 +834,16 @@
 	depreciation_left = flt(row.total_number_of_depreciations) - flt(asset.number_of_depreciations_booked)
 
 	if row.depreciation_method in ("Straight Line", "Manual"):
-		depreciation_amount = (flt(row.value_after_depreciation) -
-			flt(row.expected_value_after_useful_life)) / depreciation_left
+		# if the Depreciation Schedule is being prepared for the first time
+		if not asset.edit_dates:
+			depreciation_amount = (flt(row.value_after_depreciation) -
+				flt(row.expected_value_after_useful_life)) / depreciation_left
+
+		# if the Depreciation Schedule is being modified after Asset Repair
+		else:
+			depreciation_amount = (flt(row.value_after_depreciation) -
+				flt(row.expected_value_after_useful_life)) / (date_diff(asset.to_date, asset.available_for_use_date) / 365)
+		
 	else:
 		rate_of_depreciation = row.rate_of_depreciation
 		# if its the first depreciation