There are guidelines to use the Drone more than like 2Km , 5Km range as we used small drones for capturing pictures from around 200m ..400m so you can use with the normal permissions.
I have written a piece on my profile on some places you can check out during your visit to Uttarakhand. You can have a look and maybe plan accordingly!
Hey rahul, You can explore North sikkim. As it is one of the most beautiful part of India. Another suggestion would be of gulmarg, there siking and snowboarding would be a lot fun. Happy traveling
Its e-visa that you will have to apply for before your journey with flight details and make payment online, not exactly visa on arrival. You will just be stamped there. Expenses would depend on your trip span.
Hey shantanu, Some of attractions for Daman are jampore Beach, bom jesus church, devka Beach road and so much more. Daman is a very nice nature place. Happy traveling
Apart from Mehrangarh Fort, Jaswant Thada and other monuments ask your hotel to organize a village safari to 'Bishnoi Village'. They are oldest and native tribes of Jodhpur area. You can shop for some authentic handicrafts also.
Auli is the best honeymoon destination to visit in Northern part of India. It is in Uttrakhand and is easily reachable by volvo bus. If you can, then try visiting North Eastern side of India which has places like Sikkim and Shilong.