Hey Dipayan, 1. Binsar bird sanctuary is one place in uttarakhand which is an inert l offbeat neat to Delhi. .... 2. Pangot near to Nainital in uttarakhand is another hill station which is also a peaceful village to spread your time... 3. Fagu in Himachal Pradesh near to Shimla is one of a kind of hill station still unexplored.... 4. Rohru in shimla is also one of a kind of hill station with cool weather throughout the year with lush Apple orchids.... 5. Nahan, one more hill station best Shimla is also little bit famous for romantic getaways from Delhi... Happy Travelling!!!
In Himachal You can go to 1)Trithan Valley 2)Parvati Valley 3)Manali 4) Shimla 5)Macleodganj 6)Spiti valley. In Uttrakhand you can go for Nainital,Rishikesh,Mussourie.Out of these best and Less explored is Trithan valley;For that You Have to go to AUT from Chandigarh.