The first of those victories at the Suphachalasai National Stadium came in the men’s 400m through Kentaro Sato, whose time of 45.00sec was a personal best by 0.31.

He finished ahead of fellow countryman Fuga Sato, who also had a personal best with 45.13.

There was a Japanese one-two in the women’s 10,000 metres as 20-year-old Haruka Kokai won in 32:59.36 from Momoka Kawaguchi, who finished in 33:18.72.

Japan’s Yuma Maruyama earned the final gold of day two as he finished his 1500m in 4:42.09 to take the decathlon title with a total of 7,745 points

Home athlete Suttisak Singkhon earned silver on 7,626 ahead of India’s Tejaswin Shankar, who totalled 7,527.

India’s Abdulla Aboobacker Narangolintevida won the men’s triple jump with 16.92m from Japan’s Hikaru Ikeheta, who had a best of 16.73m.

His team-mate Jyothi Yarraji won the women’s 100m hurdles in 13.09sec from Japan’s Asuka Terada, who clocked 13.13 to finish one place ahead of compatriot Masumi Aoki, who recorded 13.26 for bronze.

India's Ajay Kumar Saroj came through a tactical battle in the men's 1500m to win in 3min 41.51sec.

The first gold of day two went to China’s Qi Wang in the men’s hammer with an effort of 72.13 metres, ahead of Uzbekistan’s Sukhrob Khodjaev, who took silver with 71.83m.

China’s Jie Zhao soon followed up by adding gold in the women’s hammer as she reached 69.39m, with silver going to Japan’s Joy McArthur on 66.56m.

Kazakhstan’s Kristina Ovchinnikova won the women’s high jump title on countback from her compatriot Yelizaveta Matveyeva after both had managed a best of 1.86m.

Sri Lanka’s Nadeesha Ramanayaka won the women’s 400m gold in a personal best of 52.61 from Uzbekistan’s Farida Solieva, who clocked 52.95 - also a personal best.