If it is in summers Anywhere from April end to September, mountains are better.
May be the following:
1. Offbeat kullu manali like Tirthan, Jibhi and Sissu
2. Kinnaur, Sangla, Reckongpeo
3. Kasol and Old Manali
4. Mashobra, Naldera, Shimla
5. Meghalaya if its October to March, beaches are better.
1. Andaman 2. Kerala
3. Offbeat Goa