1 Eastern Ghats 2 Western Ghats 3 Himalaya Mts. 4 Hindu Kush 5 Vindya Mts 6 Southern Ghats 7 Thar Desert 8 Deccan Plateau 9 Ganges River 10 Jumna River 11 Brahmaputra River 12 Krishna River 13 Godavari River 14 Indus River 15 Punjab 16 Bolan Pass 17 Khyber Pass 18 Bay of Bengal 19 Arabian Sea 20 Indian Ocean