For this time of the year would like to suggest you Jaisalmer - camel safari, jeep safari, trail to fort, etc. is fun Udaipur - can go for bangore haveli for traditional dance and music, puppet shows, boat ride in lake Pichola, trail to monsoon fort of Udaipur will be best if you visit Udaipur Pushkar- for a day go for Pushkar lake , camel Safari, Hot air balloon ride (if there) visit Savitri mata temple with help of cable cars or can trek till top. The view is mesmerizing from the top.