Hi Vignesh,
Other than the famous hill stations in Uttarakhand like Dehradun, Mussorie, Rishikesh, Haridwar, Auli and Nainital. Here are some lesser known places.
Badrinath
One of the most important tourist attractions in Uttarakhand tourism, Badrinath is a holy town which attracts visitors from across the country.
Kausani
If your idea of a holiday is spending time amidst natural beauty, then Kausani is the place for you. A part of offbeat Uttarakhand tourism, the small town is located 51km from Almora. Check out this link for more detais on Uttarakhand- https://www.tripoto.com/uttarakhand