Revenue stamp

If the amount of concerned voucher is less than Rs. 5000.00 than the voucher is valid otherwise not.

Yes I am agree with Prateek Kumar Patel.

Yes i agree with the Prateek Kumar Patel.

Revenue Stamp required for transaction above Rs. 5000/-

Yes revenue stamp is required if amount is more than Rs.5000.But while auditing it is not being regarded as a major audit point.It is better to insist the client to follow that practice.

Absence of it is not a big issue. Although, you should insist on implementing it.