S. 147 : Reassessment –With in four years- Allotment of shares- less than fair market value of shares –Reasons recorded on the basis of letter from Department of Investigation and tax evasion petition- Failure to disclose material facts as regards issue of shares to the assessee at a price less than Fair Market Value – Reassessment is valid . [ S. 56(2)(vii) 143(1) 143(3), 148 , 151, Companies Act , 1956 S.299 ]