S. 276C : Offences and prosecutions-Wilful attempt to evade tax-Penalty waived-Circular of Board and prosecution manual of Department providing for prosecution only in cases where penalty exceeding Rs. 50,000 imposed-Circular binding on revenue-Circulars dated 24-4-2008 and 9-9-20191-Circular binding on revenue-Settlement Commission granting immunity-continuation of prosecution an abuse of process of law-Strictures-Costs of Rs. 2,00,000 was awarded against the Department, payable to the appellant. [S. 119, 245H, 245I, 279(IA), Art. 226]