Few trains (which I am sure) with Loco Change (LC) from electric to diesel and vice versa done at Guntakal Junction:
ЁЯФ╣11303/11304 - Manuguru - SCSMT Kolhapur - Manuguru Express
ЁЯФ╣17415/17416 - Tirupati - SCSMT Kolhapur - Tirupati Haripriya Express
ЁЯФ╣17313/17314 - Hubballi - MGR Chennai Central - Hubballi Express (via Ballari)
ЁЯФ╣18111/18112...
more... - Tatanagar - Yeswantpur - Tatanagar Express (via Ballari)
Note: I have not included 57273/57274 - Hubballi - Tirupati - Hubballi Passenger as LC will happen for these at Ballari Junction from tomorrow. Earlier 57273/57274 was getting a new diesel loco for proceeding towards Tirupati/Hubballi at Guntakal Junction. Diesel loco which came Hubballi/Tirupati was detached at Guntakal Junction