Q. How to go by train?

Chennai(0N) → Kumbakonam(1N) → Thanjuvar(1N) → Rameswaram(1N) → Kanyakumari(1N) → Kodaikanal(1N) → Ooty(2N)

Tiruchi(2N) → Madurai(2N) → Kanyakumari(1N) → Rameswaram(1N) → Tanjore(2N) → Kumbakonam(2N) → Pondicherry(1N) → Chennai(2N) → Tirupati(1N) → Thiruvannamalai(1N)

Chennai(0N) → Mahabalipuram(1N) → Pondicherry(2N) → Kumbakonam(1N) → Chettinad(2N) → Madurai(1N) → Chennai(1N)

Chennai(1N) → Kanchipuram(1N) → Mahabalipuram(1N) → Pondicherry(1N) → Kumbakonam(1N) → Thanjavur(1N) → Trichy(1N) → Madurai(1N)

Chennai(0N) → Kumbakonam(1N) → Thanjuvar(1N) → Rameswaram(1N) → Kanyakumari(1N) → Kodaikanal(1N) → Ooty(2N)

Chennai(0N) → Kumbakonam(1N) → Thanjuvar(1N) → Rameswaram(1N) → Kanyakumari(1N) → Kodaikanal(1N) → Ooty(2N)