Hyderabad and tirupati:
Padmavati exp via wl, bza
Narayanadri exp via gnt, tel
Venkatadri exp via krnt, hx
Seven hills exp via krnt, dmm
Rayalaseema...
more... exp via rc, hx
Sc-tpty exp via rc, dmm
All the above trains originate and terminate from these 2 cities