Contact support to immediately solve your problem, but the XLM should be in your account because what is displayed in INR is what should be token in your wallet, I mean if XLM is not deposited your INR value should not show any amount or zero.
For blockchains like Stellar, Ripple or EOS, exchanges usually use one or only a few common addresses for all customers to use for depositing. What they use for differentiating between accounts are the Memo or tag numbers. If one sends a transaction without the memo or tag number. They can not know who exactly made the deposit
OP's fate is in the hands of WazirX's support.