It's a great idea to start saving in this way! You can book a Fixed Deposit with as little as Rs. 5000/- (if it's your first Fixed Deposit, the minimum amount is Rs. 10,000/-) and there is no maximum limit.
You can book a Term / Fixed Deposit by following a few simple steps:
1. On Mobile Banking
1) Go to Banking -> Fixed/Recurring Deposits
2) Open Fixed Deposit
2. On Net Banking
1) Go to Investment -> Deposits
2) Open A Fixed / Recurring Deposit
1) Please click https://www.kotak.com/en/personal-banking/Deposits/Fixed-Deposit/Fixed-Deposit-interest-rate.html?cid=answer&source=keya&medium=faq to know Fixed Deposit interest rates.