Just stay away from it. It may offer 0 interest but may have some processing fee involved. It will also reduce your chances of getting limit increase in future.
The most important part:
4. It is clarified herein that for and on all subsequent purchases, whether made in retail and/or cash and other outstanding balances, the applicable finance charge of up to 3.5% p.m. (42% p.a.) for Unsecured card, 2.75% p.m. (33% p.a.) for Secured card and 2.75% p.m. (33% p.a.) for Shaurya card shall be levied, and all such levying of applicable finance charge be made applicable from the date of purchase itself and shall accordingly cover all card holders who may have BT amount in their card account. Furthermore, it is clarified that for and up to 50 days, interest free period is not valid on any retail purchases or otherwise for those cardholders who may have a BT amount in their account.
Source:
https://www.sbicard.com/en/tnc.page#terms#balance-transfer
You have to pay in full unless you opt for Balance Transfer on EMI which has high interest rate involved.