Geranium polyanthes Edgew. & Hook.f., Fl. Brit. India 1: 431 1874.;
Common name: Many-Flower Geranium
India: E. & W. Himalayas. Kumaon and Sikkim; Bhutan and S. Tibet (as per BSI Flora of India)
Sharing some pictures of G. polyanthes shot on the route to Kalinchowk Nepal at an altitude of 9000 ft on 26 July 2014.
I think seems to match with images at