If you are visiting Udaipur the best season is Monsoon and Winter
Take a leap to Mount Abu
Going by Cab 4500 Going by Bus (AC)1000 to and fro
Cab is better option you can roam in inside parts of Mount Abu.
Take a look at beautiful Sunsets, Waterfall surrounding
Enjoy Boating and Mount Abu Food.
All the expenses will be around 2000 each including Travel and living in Mount Abu.
You can also go chittorgarh that may cost you 2000 more for Cab.
This was the 3 days Budget itinerary my part to Explore Mesmerizing Mewar.
Traveling People 3
To and Fro Train AC Ticket
Hotels in Udaipur and Mount Abu with 3 night Stay 1500-2000
Cabs and other Traveling Expenses
Miscellaneous spending Including Tickets and Food 6000
17000 -19000 for 3 PPL
5800- 6300 Each