Geography/India / Largest

1#  Longest river of South India : Godavari
2# Longest tributary river of India : Yamuna
3# Longest Coastline state in India : Gujarath
               > Smallest costline : Gova
               > 2nd Largest in India  and  Largest coastline of south India  : Andra Pradesh
4# Longest Tunnel in India : Jawahar Tunnel (J&K)
5# Longest National High way in India  : NH -7
6# Longest river which forms estuary in India : Narmada




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Godavari:
    > It is also known as Old Ganga
Yamuna: