Here are bus routes from Adilabad to Karimnagar route:
7963
ADB – WGL
12:30 → 17:45Duration: 5 hrs
EXPRESSVia: UTNOOR
Depot: ADILABAD
7947
ADB – GNT
14:00 → 19:00Duration: 5 hrs
SUPER LUXURY(Non-AC, 2 + 2 Push Back)Via: KODADA
Depot: ADILABAD
Medaram Jatara Bus timings info from Hyderabad to Medaram here
7945
ADB – GNT
17:00 → 21:50Duration: 4 hrs
SUPER LUXURY(Non-AC, 2 + 2 Push Back)Via: KODADA
Depot: ADILABAD
7951
ADB – GNT
19:00 → 23:40Duration: 4 hrs
SUPER LUXURY(Non-AC, 2 + 2 Push Back)Via: KODADA
Depot: ADILABAD
7965
ADB -NRML- WGL
20:00 → 02:00Duration: 6 hrs
EXPRESSVia: NIRMAL
Depot: ADILABAD
Fare 212