Explanation:

Bandarpunch is located at the western edge of the High Himalayan Range. It is a major watershed for the headwaters of the Yamuna River, whose source lies above Yamnotri.

Bara-Sigri glacier which is the second longest glacier in Himalaya after Gangotri, is located in the Chandra Valley of Lahaul. The glacier feeds the Chenab River.

Mandakini originates from the Chorabari Glacier near Kedarnath in Uttarakhand, India. Mandakini is fed by Vasukiganga River at Sonprayag. Therefore, Option 3 is incorrect.

Milam Glacier is a major glacier of the Kumaon Himalaya. It is a part of the Pithoragarh district of Uttarakhand.

Zemu Glacier is the largest glacier in the Eastern Himalaya. It is located at the base of Kangchenjunga in the Himalayan region of Sikkim, India. Manas River is a transboundary river in the Himalayan foothills between southern Bhutan and India.