1. What are the charges of this Savings account?
Should be none if you haven't opted for SMS charges and physical debit card at the time of opening account
2. What are the charges of debit card?
The normal charges apply as per variant you choose. You can check the charges on their website.
3. How many debit cards I can get?
I guess one virtual and one physical of each variant, so, total 3 debit cards you can get ... others can correct me if I'm wrong.
4. How can I get free physical passbook?
Why why why do you need a passbook in this era?
5. The ifsc code obtained shows invalid. i got ifsc code BARB0DBUOPP. if i use this ifsc code in paytm it shows invalid.
It should be of the branch you selected while opening the account.