Due to accumulation of sediments in a geosyncline

Due to deposition of sediments in a valley for millions of years

The plains were folded into mountains

The sediment were folded into recumbent and nappe folds

Sydney, Adelaide, Brisbane, Melbourne

Melbourne, Sydney, Brisbane, Adelaide

Adelaide, Brisbane, Melbourne, Sydney

Brisbane, Sydney, Adelaide, Melbourne

Narmada

Cauvery

Mahanadi

Sutlej

Garadia

Asur

Munda

Santhal

Bhutan, Bangladesh & China

Myanmar, Bangladesh & China

Bhutan, China & Myanmar

Bhutan, Bangladesh & Myanmar