If you are planning a foreign trip under budget, then you could go to Bali or Thailand. If. In India, then north or north east are the best destinations.
Kashmir, leh, Shillong, Meghalaya, sikkim, Dharamshala, dalhousie, Gangtok, Darjeeling, tawang.
Shimla, kullu, manali, on the north. there are several offbeat places in himachal pradesh. in the east, Darjeeling, Gangtok, yuksam, ravangla, pelling, Shillong, etc. you can also try munnar in the south