S. 276C : Offences and prosecutions-Wilful attempt to evade tax-Search and seizure-Settlement commission-Cash during election expenditure monitoring-Undisclosed income-Admitting in sworn statement that seized cash was undisclosed income of assessment year 2016-2017-Prosecution initiated-Application filed by assessee before Settlement Commission for assessment year 2016-2017 after initiation of prosecution-Question of fact to be proved at trial-Settlement for different assessment years not ground for quashing criminal proceedings-Authorisation-Commissioner Definition Principal Director competent authority to authorise Deputy Director (Investigation) for initiation of prosecution. [S. 2(16), 132(4). 245C, 276C(1), Criminal Procedure Code, 1973, S. 482.]