It is Trivandrum â H. Nizamuddin Rajdhani Express . [1] Trivandrum â H. Nizamuddin Rajdhani Express travels the 528km stretch between Vadodara and Kota non-stop. In second place is the Mumbai Rajdhani Express that travels nonstop between New Delhi and Kota. Trivandrum â H. Nizamuddin Rajdhani also travels nonstop between New Delhi and Kota as well.