▁Science ▁and ▁Technology ▁week . ▁An ush and hit sh u ▁Ch ok ro ▁helped ▁to ▁organ ise ▁this ▁science ▁week . ▁ ▁Pre vious ▁activities ▁at ▁a ▁glance ▁ ▁From ▁ 2 8 ▁January ▁to ▁ 4 ▁February ▁ 1 9 8 1 ▁a ▁science ▁fair ▁was ▁held ▁at ▁Kol k ata ▁in ▁India . ▁An ush and hit sh u ▁Ch ok ro ▁was ▁only ▁proud ▁representative ▁of ▁Bang l adesh . ▁An ush and hit sh u ▁Ch ok ro ▁achieved ▁the ▁second ▁position ▁collect ively . ▁ ▁An ush and hit sh u ▁Ch ok ro ▁invent ed ▁the ▁biggest ▁teles cope ▁of ▁Bang l adesh ▁in ▁ 1 9 8 5 . ▁It ▁achieved ▁the ▁first ▁prize ▁in ▁National ▁science ▁and ▁technology ▁fair . ▁ ▁In ▁ 1 9 8 6 ▁An ush and hit sh u ▁Ch ok ro ▁arranged ▁a ▁project ▁to ▁show ▁Hal ley ' s ▁Com et ▁with ▁great ▁enthus ias m . ▁Lar ge ▁number ▁people ▁were ▁present ▁to ▁see ▁the ▁com et . ▁ ▁On ▁ 2 4 ▁October ▁ 1 9 9 5 , ▁An ush and hit sh u ▁Ch ok ro ▁organ ised ▁a ▁program ▁to ▁observe ▁the ▁eclipse ▁from ▁H IR ON ▁P OIN T ▁in ▁Sund ar ban . ▁Scient ists , ▁journal ists , ▁teachers ▁and ▁organisation ▁members ▁have ▁joined ▁the ▁observation ▁camp . ▁Big yan ▁S ansk rite ▁Par ish ad ▁and ▁astronom ical ▁association ▁helped ▁An ush and hit sh u ▁Ch ok ro