Varun Anekar from Bengaluru was second while series leader Aanjan Patodia was third in Race 1.
In race two, Ranvindra finished third after starting last in the reverse order. Bengaluru's Rahul Sharan won the race ahead of Alex Bora.
Ravindra emerging triumphant again in Race 3 after starting from pole. He was joined on the podium by Patodia and Anekar. Jonathan Kuriakose emerged on top in the Pro Junior category.
The final round of the National Series will be conducted in the National Capital Region at the Wonder Speedway on June 11 & 12 where the winners will also compete for the Grand finals crown.