a) Lesser Himalaya and outer Himalaya
b) ‘Dun’ valleys and the Shivaliks
c) Greater Himalaya and Trans-Himalaya
d) Himalaya and Lesser Himalaya
a) Lesser Himalaya and outer Himalaya
b) ‘Dun’ valleys and the Shivaliks
c) Greater Himalaya and Trans-Himalaya
d) Himalaya and Lesser Himalaya