S. 271AAB:Peanlty -Search initiated on or after Ist day of July 2012-No proceedings under S. 271(1)(c), initiated during course of assessment proceedings under S.143(3) of the Act. Admission by assessee in statement pursuant to search regarding undisclosed income and specifying manner in which such income derived — Initiation and imposition of penalty under S. 271AAB after completion of assessment proceedings is not vitiated by law .[ S.132, 271(1)(c ) ]