Congress established an early lead in 19 of the 25 Lok Sabha seats in Rajasthan while BJP was ahead in only three constituencies.
Two independents and a CPI-M candidate were also leading according to initial trends.
Among the candidates who were leading were Congress' Sachin Pilot in Ajmer, Jitendra Singh in Alwar, Seeshram Ola in Jhunjhunu, Namo Narayan Meena in Tonk-Sawaimadhopur, CP Joshi in Bhilwara and Girija Vyas in Chittorgarh.
Other Congress candidates, who were ahead, were Jyoti Mirdha in Nagaur, Mahesh Joshi in Jaipur, Chandresk Kumari in Jodhpur, Ijyaraj Singh in Kota and Taranchand Bhagora in Banswara.
Those from the BJP who had established early leads were Dushyant Singh, son of Vasundhara Raje, in Jhalawar-Baran, Arjun Ram Meghwal in Bikaner and Ramsingh Kaswan in Churu.
The lone CPI-M candidate Amraram is leading in the Sikar seat while independents Qumar Rabbani in Dausa and Buta Singh in Jalore-Sirohi were ahead of their rivals.