Indian Railways — regarding cancellation 2ac and travelled in 3 ac — refund of excess fare — irctc complaint ref no #8425930...

Address:	Chennai, Tamil Nadu
Website:	IRCTC

Dear sir,
I booked my ticket to travel in 2nd ac vide pnr [protected] in train 11027 coming from mumbai to travel from manthralayam road to chennai on 19/02/2018 but i received an sms on 18th feb due to technical reasons 2ac is cancelled and replaced by 3 ac and we four people travelled only in 3 ac in seat no coach no a1... 18, 19, 21 and 22
I sent a letter to ictct for refund excess fair collected and is acknowledged by them vide ref no.# 8425930.
I need action to refund the excess amount paid by me for 2 ac as
I was allowedto travel by 3 ac
Thanks
R santhanam
Chennai
[protected]
[protected]@yahoo.com