If you are familiar with hindi then watch "Mountain Trekker" "Nomadic Indian" "Tanya Khanijow" "Desi girl Traveller" " Radhika Nommellers" "Dr.Yatri" these are some of the best travel youtube chanells
Leh Ladakh Has The Majestic Blend Of Indian And Tibetan Cultures Plus It Has The Most Amazing Nature To Be Watching At! What Better Than A Place Giving You The Feeling Of Non-Indian Place Despite of Being In India Right?
Fir new year if u want a place nearby crowd Mcleodganj is great but if u need isolated places you can go to any places in old himachal like tosh , malana , rasol ,jibhi etc here you can find good secluded places .
Visit Baga Beach at night
Go for a sunset at Aguada Fort
Do try water sports at candolim as I found the water is much better than Vagator for water activities.