direct train from calicut (kerala) to tirupati?

Answer 1

yes there is a direct train to renigunta jn. which is 10km from tirupati. you can get bus to tirumala or tirupati at exit gate of railway station itself every 5 minutes.
6687 navyug express on every monday depature time 20.50 and reach renigunta next day morning 09.35
7229 sabri express run daily from shornur jn which is one hour journy to calicut you can catch this train to renigunta dep time 14.15 and reach renigunta 00.50 in night.

Answer 2

There is no direct train service between Calicut to Tirupati