In case taxpayers have filed the return, but system shows not filed, then they may update the status by clicking on the following link : If you are unable to login, you can follow the steps given in this document. Otp on sandes app installed in your mobile.
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Sms to your registered mobile number. Enter any of the otp received as : This site can be best viewed in firefox 43.5 and above ,ie 11 and above,chrome 45 and above.