Paytm Mobile Solutions — i had not received my refund rs.21867 from paytm

I had made an order on paytm on 28/02/2018 of an laptop but due to some reason i had returned it and then company had provided me second laptop and it was also broken after returning second they had said that they had refunded it on 21/03/2018 but i had not received my refund even i had send the statement also to the paytm but then also no action are taken on this please help me to get returned my money under is my statement
[protected] is my account of paytm