1. Surat   Tapi   Adyar,Cooum   Ganga, Yamuna   Chambal   Hint Half-n-half Clue   2. Kolkata (Calcutta)   Hooghly   Adyar,Cooum   Tapi   Godavari   Half-n-half Clue   3. Ahmedabad   Tapi   Sabarmati   Ganga, Yamuna   Godavari   Half-n-half Clue   4. Kota   Hooghly   Godavari   Tapi   Chambal   Half-n-half Clue   5. Chennai (Madras)   Adyar,Cooum   Ganga   Gomti   Ganga, Yamuna   Half-n-half Clue   6. Lucknow   Gomti   Hooghly   Ganga   Chambal   Half-n-half Clue   7. Allahabad   Adyar,Cooum   Tawi   Ganga, Yamuna   Sabarmati   Half-n-half Clue