Indian Railway Catering & Tourism Corporation [IRCTC] — not received my refund on tatkal waiting ticket

Ticket confirmation
Irctc
Dear gopal s rathore (User id: gopalratho),
Congratulations! Thank you for using irctc's online rail reservation facility. Your booking details are indicated below.
Pnr no. : [protected] train no. / name : 12844 / adi puri exp quota : tatkal
Transaction id : [protected] date & time of booking : 01-mar-2020 10:03:31 hrs class : second ac
From : ahmedabad jn (Adi) date of journey : 02-mar-2020 to : raipur jn (R)
Boarding at : adi date of boarding : 02-mar-2020 scheduled departure* : 02-mar-2020 18:40
Reservation up to : raipur jn (R) scheduled arrival : 03-mar-2020 16:30 adult: 3 child: 0
Passenger mobile no : [protected] distance : 1257km
Passenger details
Sl. No. Name age gender status coach seat / berth / wl no
1 usha rathore 52 female cnf a1 40
2 navneet rathore 23 male tqwl 1
3 rananjay rathore 27 male tqwl 2

Two tickets were confirmed and one was wait listed
Not received my refund till since two months