There is no provision u/s.142(1) that assessee is required to...

There is no provision u/s.142(1) that assessee is required to sign the document thrust upon him when the assessee himself has denied the content of the document and denied having maintaining such bank account. Penalty u/s. 271(1)(b) is leviable only when there is failure on the part of the assessee to comply with the notice issued u/s.142(1).