South India Rajasthan Road Trip is always adventures and you are a group of people.
so I recommend road trip as a adventures and memorable trip. https://youtu.be/4MJe-MqQfNo refer this link to plan your road trip
Why don't you plan for Sikkim!? It's the best time to visit North Sikkim like Lachen-Lachun-Yumthang valley- Gyrudongmar lake- finish with gangtok. Or else plan for Uttarakhand.. It'll be full of snow both of the places: )