An official spokesman said the nomination of Rama Pilot was rejected from the Ajmer, while that of Niharika, wife of sitting MP Dushyant Singh, was rejected from Jhalawar-Baran seat.
Both of them had filed their papers as substitute candidates.
In the first phase, Ganganagar, Bikaner, Churu, Jhunjhunu, Sikar, Jaipur-rural, Jaipur, Ajmer, Nagaur, Pali, Jodhpur, Barmer, Jalore, Udaipur, Banswara, Chittorgarh, Rajsamand, Bhilwara, Kota and Jhalawar-Baran will go to polls.