Chennai, Aug. 23 -- Teenagers lit up the podium with dominant shows in the first round of the MRF 4W Indian National Racing Challenge which concluded at the Madras International Circuit, at Irungattukottai, about 40 km from here, on Sunday.

Eighteen-year-old Saishiva Sankaran from Pune completed a hat-trick of wins in the MRF Formula 2000, while teen sensation Visakhapatnam's Bhuvan Bonu, only 16, won both the races today in the MRF Formula 1600, while Kaveen Diyyan Rajapaksa fromSri Lanka, also 16-year-old, achieved a triple crown in the Junior category of the Formula LGB 1300 class.

At the other end of the spectrum, a trio of seasoned campaigners Ritesh Rai (Indian Super Touring Cars), Diljith TS (Super Stock) and Pratik Sonawane (Polo ...