Thats a nice trip plan total travel approx 2122 km.
But will 2 days be sufficient, especially when you are travelling with your spouse and 2 year kid.
Hope all hotel reservations have been,being Diwali vacation.
Have a pleasant trip..and please take as many pictures as you can so that we can also be a part of your trip by means of pictures
Why don't you and amit team up as he's also planning for the same and is also from Bangalore