Originally Posted by Yaatri (Post 19550741)

India is too large with disprate climates in different parts of the country that it's impossible give one ideal time of the year.
Two weeks is too short a time to cover the list, unless you are on touch and go schedule.
You will have to be more specific with Himalayas, as these mountains stretch from the north to the east, over nearly 2000 miles.
I doubt that one travel agent can help with all of these places.

Originally Posted by Yaatri (Post 19550785)

Be especially careful about sunburn in the mountains. The only place I have been sunburnt in India was in the mountains. What do want from the mountains? A relaxed time away from the plains and the crowds, breathtaking views, adventure? The choice will depend on what you want from the mountains.