1. Allahabad   Brahmaputra   Gomti   Ganga   Ganga, Yamuna   Hint Half-n-half Clue   2. Gauhati   Tapi   Godavari   Brahmaputra   Gomti   Half-n-half Clue   3. Kolkata (Calcutta)   Adyar,Cooum   Chambal   Hooghly   Ganga   Half-n-half Clue   4. Srinagar   Godavari   Tapi   Brahmaputra   Jhelum   Half-n-half Clue   5. Kanpur   Chambal   Ganga   Godavari   Hooghly   Half-n-half Clue   6. Jammu   Tawi   Tapi   Ganga   Sabarmati   Half-n-half Clue   7. Ahmedabad   Ganga   Tawi   Sabarmati   Adyar,Cooum   Half-n-half Clue