4. Finding travel buddies. I know that the travel plans won't work with your friends mostly. It gets cancelled, some have other engagement, jobs etc. So when you are free to go somebody else is also, so maybe find someone to travel with. Trust me I have made some friends with just one trip, they text me more and active.
You can visit Kerala. There are many places to explore in Kerala.
For examle, Beaches: Varkala, Kovalam, Kozhikode, Vypin, Kappad, Beypore, Muzhuppilangad Drive in Beach, etc
Hill Stations: Ponmudi, Wayanad, Munnar, etc
There are many other places, including Wagamon, Thenmala, etc.
For preparing schedules and for getting an idea about preparing itinerary, you can use recently published "Kerala Tourism" official app by Kerala Tourism Department.
North East obviously Starting from Guwahati connected to all major railway station 3N/4D
Day 1
:- Do visit Maa khamakhya temple accommodation is very cheap sometimes but 1000/N is always ideal over here.
ola/uber is Available here. Day 2
:- Shillong (Scotland of East)
Various locations to visit but no ola/uber here but Taxi services is very cheap over here. Day 3
:-Cherapunji with 7 sister falls Day 4 do visit night life of Shillong awesome clubs are there.