Central Railway — Ticket canceletaion amount not recived

Address:	Latur, Maharashtra, 413512
Website:	IRCTC

I had book ticket 26/12/15 latur to mumbai cst sleeper coach date of journey 27/12/15 on waiting not confirmed when journey this day sunday then no cancellation that day because sunday ticket office closed and net problem at latur station ticket window then i am cancelled ticket monday morning pnr no[protected] but no any amount refund when waiting ticket canceled then how it is possible no refund then please give me refund amount rs 670/- as early as possible