A person had sold his property in p.y. and recieved the consideration through cheque till 31st march and cash after 31st march. He had shown the cheque amount under capital gain head in p.y. but not be able to show the cash amount as it is rcvd after 31st march and becuase of this there is capital loss in p.y. He had aslo purchased the new house after 31st march. now if he deposit the cash amount in his account is he liable for penalty? and He also want to file his return now, can he file the return?