Take VOLVO bus tickets from any of the state bus operators - preferably KSRTC.
Once u reach there dont believe touts or get to some private Lodging - there is a Building jus behind the Bus Stand Maintained by The Temple itself called SRINIVASAM take a room there n fresh n up.
Buses to Tirumala (above the hill where the Temple is there) is available at SRINIVASAM itself(Rs.30 Each side).
Once you reach on top go for Rs.300 Darsahan (appx takes around 3-4 Hours) collect the laddu prasadam from the office behind the temple n then take a Bus back to Thirupathi from there.
Go to the bus stand where you will get buses to Thiruchannur (Rs 10 To & Fro) make sure you visit this temple as it is the Temple of goddess Padmavathi (wife of Lord Venkateswara) take Rs. 40 token as you will get 2 Laduus
Get back to Thirupathi and if possible stay a night there as it considered auspicious to at least spend a night there.
Head back to Bangalore (book your tickets at the KSRTC counter at the bus stop once you get down from the hill i.e before going to Thiruchanur)
(kindly note that this is for a brief pilgrimage to Tirumala, Thirupathi and more temples are there nearby if you want to elaborate the trip).
The Temple Pilgrimage care No is : 08772277777 call them for any queries.
I have given this info only to help people have a Happy Darshan of Lord Venkateswara n kindly forgive me if I am wrong.
OM NAMO VENKATESAYA