Urgent !!!! capital gains query

1) Allotment letter date. 2) you can recieve full payment in cash. You can recieve income in any form ITO has no problem. But the purchasing party would be able to claim exp as a normal or even as a depriciation. 3) if you really has done some improvement then u can get the bills. But u don't have bills and I think u have also paid amount in cash. So ITO may not allow it as a deduction. 4) any expenses paid above 20k in cash to a single person on a single day expenses cannot claim as a deduction.make sure deduct tds on the same. 5) yes u can. But there must be some faithness in transaction. U must be able to prove To ITO if he question