If you are planning for Tirupati Trip than here are the things which you should know before going for Tirupati trip.
10 Awesome Facts About Tirumala Venkateshwara Temple
Tirupati Ladoo
If you are confused with whether you should go by yourself or by travel agency, here is the whole analysis
Here is a transport detail, if you are thinking to going by yourself
Overall Comparison
Conclusion: So from this comparison, you can easily guess, which will be a better choice for you. According to me, If your parent or old aged people are travelling alone than travel agency may be a good option but if you are travelling alone or with friends than I think travel agency is not a good choice.