Penalty u/s 271(1)(c) - income voluntarily offered before...

Penalty u/s 271(1)(c) - income voluntarily offered before commencement of assessment proceedings - the time limit for furnishing the revised return of income u/s 139(5) did not expired and assessment u/s 143(3) was still in the process of completion hence assessee was legally entitled to file the revised return of income - not liable for paying penalty on the income duly disclosed in the revised return