Original sentence: ) is a mountain pass through the Himalayas located in the Uttarakhand state in the districts of Pithoragarh and Bageshwar in India.5212 m.It is situated at the end of Pindari glacier and links Pindari valley to Milam valley (Lawan Gad).This pass is very difficult to cross
Edited sentence: ) is a mountain pass through the Himalayas located some  south by southwest of Nanda Devi peak in the Uttarakhand state in the districts of Pithoragarh and Bageshwar in India.In 1926, it was crossed by Hugh Ruttledge.It is situated at the end of Pindari glacier and links Pindari valley to Milam valley (Lawan Gad) and said to be very difficult to cross.The pass was reached in 1830 by G.Traill, the first british Deputy Commissioner of Kumaon division