▁L anka . ▁He ▁was ▁the ▁Director ▁General ▁of ▁Institute ▁of ▁Sports ▁Medicine ▁from ▁ 2 0 1 1 - 2 0 1 3 . ▁He ▁has ▁played ▁a ▁leading ▁role ▁in ▁establish ing ▁SL AD A ▁and ▁introdu cing ▁new ▁legisl ation ▁to ▁criminal ize ▁tra ff ick ing ▁in ▁b anned ▁subst ances . ▁ ▁Sri ▁L anka ▁is ▁among ▁few ▁countries ▁in ▁Asia ▁to ▁have ▁legisl ation ▁to ▁this ▁effect . ▁ ▁De ▁Silva ▁was ▁the ▁medical ▁provider ▁for ▁the ▁ 2 0 / 2 0 ▁Cr icket ▁World ▁Cup ▁hosted ▁by ▁Sri ▁L anka ▁in ▁ 2 0 1 2 ▁and ▁is ▁currently ▁an ▁ad visor ▁to ▁the ▁Sri ▁L anka ▁Cr icket ▁Board . ▁He ▁was ▁also ▁the ▁official ▁phys ician ▁to ▁the ▁Sri ▁L ank an ▁Olympic ▁team ▁at ▁the ▁ 2 0 1 2 ▁London ▁Olympics . ▁ ▁Research ▁De ▁Silva ▁has ▁won ▁President ial ▁Research ▁Awards ▁in ▁ 2 0 0 6 , ▁ 2 0 0 8 , ▁ 2 0 1 0 ▁and ▁ 2 0 1 2 . ▁He ▁has ▁delivered ▁numerous ▁or ations ▁and ▁lect ures ▁at ▁national ▁and ▁international ▁scientific ▁meet ings . ▁He ▁has ▁author ed ▁one ▁book , ▁The ▁Ro le ▁of ▁T NF ▁polym orph isms ▁in ▁IB D ▁and ▁two ▁book ▁chap ters ▁in ▁the ▁field ▁of ▁g astro enter ology , ▁by ▁international ▁publish ers . ▁His ▁publications ▁also ▁include ▁ 3 8 ▁scientific ▁papers ▁and ▁over ▁ 1 0 0 ▁published ▁abstract s ▁in