Dehradun - Ahmedabad via Ajmer-Jaipur by Car

I have transferred from Dehradun to Ahmedabad...I am very fond of driving...Wish to travel by car to Ahmedabad via Delhi, Jaipur and Ajmer Sharif..My planned itinerary:
Day 1: Dehradun - 4 AM by Cheverlot UVA Car - Reach Delhi by 9.30 AM....1 Hour rest..Start around 11 to Jaipur - Reach Jaipur around 6 PM (Lunch 45 min on Highway)...Stay at night...
Day 2: Jaipur - 6 AM to Ajmer Sharif - Take 2 Hrs - After darshan start around 10 am towards Udaipur vis NH8 - Reach around 6-7 PM considering heat outside..so will give rest to car every two hrs...
Stay at Udaipur..
Day 3: Udaipur 8 AM : Reach Motera, Ahmedabad around 3 PM...
I wish to make it workable and enjoy driving and Ajmer Sharif Darshan... Suggest some variation and highways, which I should drive through pl....Can somebody also guide me regarding Ajmer Sharif..