A point-of-sale transaction has to be extend by RBI..

The Reserve Bank of India (RBI) asked banks to extend the facility of withdrawal of cash through debit cards at more merchant establishments.

RBI’s instructions

1. For Tier I and II centres - cash withdrawal to Rs. 1000/- per day, and, 
2. For Tier III to VI centres - Rs. 2,000/- per day. 
3. Customer charges if any, in such cash withdrawals to not more than 1% of the transaction amount.

4. Banks need to submit data of cash withdrawals at PoS devices within 15 days of the end of the every quarter.