प्रयागराज एक्सप्रेस - जो भी हो तुम खुदा की कसम; लाजवाब हो

hi every one
hey i m travelling by 12434 on 30 th nov
so i will reach MAS on 1 dec by 20:15 i suppose and i am goin to travel in this train for the first tym. now i need to travel to TCR from MAS. and i m finding it difficult to get availibility on any possible train in any class
so...
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my question is can anybody of the region guide me for getting a confirmed seat in any possible class on dec 1 after 20:15 to dec 2 , as my train is scheduled to arrive at MAS by 20:15
or other options are like must i say take a bus on dec 1 from CHENNAI to THRISSUR, and where could i board any such bus, i have seen a couple of them at redbus.in
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Plz guide me, its urgent, also tell me wat are the chances of getting a ck from NZM to TCR on 30 th nov or DEC1