feat: Normal rounding for GST Taxes (#24488)

* feat: Normal rounding for GST Taxes

* fix: Add test case

Co-authored-by: Nabin Hait <nabinhait@gmail.com>

erpnext/regional/india/utils.py

@@ -772,3 +772,24 @@ def make_regional_gl_entries(gl_entries, doc):
 				)
 
 	return gl_entries
+
+@frappe.whitelist()
+def get_regional_round_off_accounts(company, account_list):
+	country = frappe.get_cached_value('Company', company, 'country')
+
+	if country != 'India':
+		return
+
+	if isinstance(account_list, string_types):
+		account_list = json.loads(account_list)
+
+	if not frappe.db.get_single_value('GST Settings', 'round_off_gst_values'):
+		return
+
+	gst_accounts = get_gst_accounts(company)
+	gst_account_list = gst_accounts.get('cgst_account') + gst_accounts.get('sgst_account') \
+		+ gst_accounts.get('igst_account')
+
+	account_list.extend(gst_account_list)
+
+	return account_list