The main places to visit in Lonavala are Bushi dama and Tiger Point, however this places are very crowded during new years and also are not preferred for campaign.
You must go to Pawna dam and can do campaign + celebrate New year as there are lost of campaign destination near pawna dam (they have a proper campaign package)
Let me know just in case i can help you with contact's for camping near Pawna.
Hi. You can plan the trip and visit places like Bushi dam. tiger point. dukes thumb. Pawana lake. Pawana lake is the place for camping also. these are some of the places we could suggest. Have a nice trip !