Indian grapplers made an impressive start to their campaign at the Asian Greco Roman, Freestyle and Female style Sub-junior Cadet Wrestling Championship in Bangkok yesterday, bagging four medals, including a gold, on the opening day of the three-day event.Out of the 10 weight categories decided so far, India managed to obtained medals in four divisions, which includes a gold, two silver and one bronze.In the Greco Roman style, Manish clinched the only gold for India in the 58kg category, while the silvers were picked up by Sombir (63kg) and Subodh (85kg). Yashpal earned the lone bronze in the 69kg division.On the second and third day of the competition, 20 weight categories — 10 Freestyle and 10 Femalestyle will be decided