Shot putter Om Prakash and long distance runner Surendra Singh won a gold medal each as Indian athletes bagged two gold, three silver and four bronze medals in the Asian Grand Prix [ Images ] second leg in Kunshan (China), on Wednesday.

Om Prakash hurled the iron ball to 19.48 metres to improve upon his personal best (19.36m) outside India [ Images ] which he set four days ago in the first leg at Suzhou (China).

He, however, failed to cross the Berlin World Championships 'B' standard of 19.90m.

Surendra, who bagged a gold in 3000m at Suzhou, fetched his second gold of the Asian Grand Prix series by winning the men's 5000m race in the second leg.

He clocked 13:40.45 to win the race though his effort failed to touch the Berlin 'B' standard of 13:29.00.

India won all the medals in the race, with Kashinath Aswale (13:44.32) and Sandip Kumar (13:47.45) winning silver and bronze respectively.

In a closely-contested 400m run for men, India bagged both silver and bronze.

Bibin Mathew was second, clocking 46.48 seconds; he was followed by his teammate VB Bineesh (47.12s).

Krishna Poonia, who have already qualified for Berlin, and national record holder Seema Antil won a silver and bronze respectively in the women's discus throw by clearing 57.89m and 56.85m respectively.

Asian Games gold medallist Song Aimin of China won the gold with a throw of 63.45m.

In men's high jump, Hari Shankar Roy finished third with a leapt of 2.15m.