Validation of bank account

one or two days depends upon banks

Can I file itr now without validation of bank account

You can validate the bank account just by login to incometaxefilling site through net banking

Login to bank's net banking account.

You will get an option to efile return, or e-verify ITR option in the same.

Click on the option, you will be directed to efiling web site, where by the bank account gets verified.