Maharashtra State Road Transport Corporation [Msrtc] — Did not get a refund after cancellation of e-ticket

Address:	Pune, Maharashtra, 411005
Website:	www.public.msrtcors.com

Did not get a refund even after 10 days of cancellation of ticket from the MSRTC department
Tried to contact the phone numbers and the e-mails provided on the site but never received correspondence.
I had booked a ticket under ordinary bus category
What has to be done with the E-voucher received after cancellation??
my ticket no. is as follows
26482565
and cancellation voucher no. is
26528294