Bata India — Footwear Return not getting picked up and Not getting refund

Address:

27B Camac Street 1st Floor Kolkata - India

I ordered the product from Bata India.
And requested for return, It is not getting picked from last once.
I have been calling consistently and every time i get the response it will be done mam,
But nothing has been done till no.
I m raising the official complain against Bata India.
Please see the attached screenshots the response from bata.
Around 10 different days I have requested them.