Direct Links Here are some important links of government websites for ready references:Income tax ActIncome tax RuleIncome tax NotificationIGST ActCGST ActIGST RulesCGST Rules (Part A)CGST Rules (Part B)IGST NotificationsIGST Rates NotificationsCGST NotificationsCGST Rates NotificationsCompanies Act Kindly note that above links are updated upto 24th of May, 2021.