Narmada

Cauvery

Mahanadi

Sutlej

Garadia

Asur

Munda

Santhal

Bhutan, Bangladesh & China

Myanmar, Bangladesh & China

Bhutan, China & Myanmar

Bhutan, Bangladesh & Myanmar

The dust particles and droplets of water present in the atmosphere absorb the light and do not follow it to reach the eyes of the passengers

The atmosphere is very rare at great heights and so the scattering of lights is negligible

The light is so polarized that no part of it is able to reach the eyes of the passengers

None of the above

Maoris

Bedouins

Magyars

Tartars