Indian Railways — non refund of money on cancelled ticket with pnr no [protected] on 11.4.18

I cancelled the ticket bearing pnr no. [protected] on 11th april 2018 and i am yet to get the refund of rs.960 which is due to me as per the email of [protected]@irctc, email reproduced hereunder

Dear customer,

We wish to inform you that your ticket against pnr number: [protected] has been cancelled successfully as per your request. The refund amount of rs. 960 will be refunded back to your respective account shortly.

Regret no refund effected till date though it is over 20 days now.

Regards
Srinivasan r
[protected]