Grievance Officer at PayTM

Level 1:
You can go to paytm.com/care and select order to submit your query.

Level 2:

If you are still not satisfied, please write to:Nodal Officer Customer Grievance
One97 Communications Ltd.
B121, Sector 5
Noida – 201301

Level 3:
If you are still not satisfied, please write to:

Grievance Officer
One97 Communications Ltd.
B121, Sector 5
, Noida – 201301
Or
Click here to escalate an existing ticket to Grievance Officer.
*Applicable only when the level wise escalation is followed.

Source: https://paytm.com/grievance-policy