Meesho — Regarding return process

I have placed my first order on Meesho which I'm not able to return.

I have tried to find my order on Meesho site where order is not showing which I have complaint through mail but didn't received any reply

I have searched their customer care no which is asking to install their mobile app.

I have tried to install mobile app which is expecting my all contact access which is not acceptable.

I'm assuming, they would like to access all contacts and spam with their advertise to my contacts.

Please let me know, how I can return the product.