Once upon a time, there was a great king called Vikramaditya - the WAM-4 - Shashank

Longest station name in IR
Venkatanarasimharajuvariipeta (Halt). This is sometimes spelled with 'Sri' prefixed, making it even longer by 3 letters. on the Arakkonam-Renigunta section of the Southern Railway (the first station after Renigunta towards Arakkonam (just within the AP border). Station code VKZ. It is in the Chennai division of SR and not in the Guntakal division of SCR. Here is a picture of the station name board.
Some other stations with long names are Indragarh Sumerganj Mandi (on the Kota - Sawai Madhopur line), Tiruchchirapalli Palakarai (near Tiruchchirapalli), Acharya Narendra Dev...
more...

Nagar (near Faizabad), Baba Bakala Raiya (on the Jalandhar - Amritsar section, Anandatandavapuram (near Mayiladuturai), Fatehabad Chandrawatiganj (near Indore), Tondalagopavaram (near Vijayawada), Mullagunnathukavu (near Trichur), Giani Zail Singh Sandhwan (between Firozpur and Bathinda), Narayana Pakuriya Muraila (between Howrah and Kharagpur; however, the SER suburban timetable spells it [12/04] as 'Narain Pakuria Murai').
A few stations have names that include acronyms or abbreviations; if these were expanded the names would be quite long. E.g., NPA Shivaramapalli (where NPA = National Police Academy), and BEML Nagar (where BEML = Bharat Earth Movers Limited).