hi ▁in ▁ 1 9 7 0 . ▁He ▁joined ▁University ▁of ▁Maryland ▁in ▁ 1 9 7 6 ▁as ▁a ▁Post - Do ctor al ▁Research er ▁and ▁then ▁a ▁Research ▁Associ ate . ▁He ▁was ▁involved ▁in ▁the ▁research ▁on ▁radio ▁frequency ▁he ating ▁of ▁fusion ▁pl asma ' s ▁in ▁the ▁university . ▁In ▁ 1 9 8 3 , ▁He ▁joined ▁Indian ▁Institute ▁of ▁Technology ▁Del hi ▁as ▁a ▁Professor ▁of ▁Physics ▁where ▁he ▁served ▁for ▁about ▁ 3 0 ▁years . ▁ ▁Sad b hav ▁Mission ▁Sad b hav ▁Mission ▁a ims ▁to ▁develop ▁a ▁grass ro ots ▁resistance ▁against ▁commun al ism ▁and ▁mobil izing ▁people ▁on ▁basic ▁issues ▁like ▁education , ▁as ▁stated ▁on ▁its ▁official ▁website . ▁Professor ▁Tri path i ▁established ▁it ▁in ▁the ▁after math ▁of ▁Bh ag al pur ▁ri ots ▁in ▁ 1 9 9 0 . ▁Professor ▁Tri path i ▁through ▁the ▁Sad b hav ▁Mission ▁has ▁written ▁and ▁distributed ▁pam ph lets ▁on ▁the ▁issues ▁like ▁Ab rog ation ▁of ▁Article ▁ 3 7 0 ▁and ▁C AA ▁as ▁a ▁mode ▁of ▁protest . ▁ ▁Liter ary ▁works ▁Some ▁notable ▁publications ▁of ▁Tri path i ▁are : ▁ ▁Pl asma - a ided ▁radiation ▁gu iding ▁in ▁a ▁free - elect ron ▁las er ▁ ▁Stim ulated ▁Br ill ou in ▁scatter ing ▁of ▁a ▁las er ▁beam ▁in ▁a ▁pl asma ▁channel ▁ ▁Ch eren kov ▁Ter ah ert z ▁Generation ▁by ▁Electron ▁B unch es ▁in ▁a