▁idea ▁of ▁making ▁solar ▁lamp ▁out ▁of ▁pl astic ▁bott le ▁and ▁implement ▁that ▁in ▁Ch itt ag ong . ▁Al ong ▁with ▁some ▁lik em ind ed ▁youth s ▁Sh an j id ul ▁started ▁implementing ▁the ▁idea ▁under ▁L ights ▁Foundation ▁and ▁distributed ▁some ▁bott le ▁l amps ▁in ▁ 2 0 1 5 . ▁Later ▁turning ▁the ▁project ▁into ▁social ▁enter prise ▁he ▁launched ▁Liter ▁of ▁Light ▁Bang l adesh , ▁brought ▁different ▁types ▁of ▁programs ▁based ▁on ▁the ▁idea . ▁Liter ▁of ▁Light ▁Bang l adesh ▁also ▁established ▁a ▁training ▁program ▁that ▁conduct s ▁work sh ops ▁with ▁youth , ▁business ▁companies , ▁and ▁other ▁groups ▁who ▁are ▁interested ▁in ▁volunte ering ▁their ▁time ▁to ▁build ▁lights ▁in ▁their ▁communities . ▁ ▁G lob ally ▁Liter ▁of ▁Light ▁provided ▁e co - friend ly ▁lights ▁to ▁more ▁than ▁ten ▁million ▁households ▁free - of - cost . ▁ ▁Activ ities ▁▁ ▁In ▁ 2 0 1 5 ▁it ▁started ▁by ▁providing ▁free - of - cost ▁water ▁bott le ▁light ▁to ▁poor ▁communities . ▁It ▁has ▁now ▁turned ▁into ▁organization ▁that ▁research es , ▁innov ates ▁and ▁implements ▁projects ▁in ▁partners hip ▁with ▁corpor ates ▁and ▁International ▁N GO s . ▁ ▁Light ing ▁up ▁L ives ▁▁ ▁Since ▁ 2 0 1 6 ▁Liter ▁of ▁Light ▁Bang l adesh ▁started ▁a ▁project ▁called ▁" Light ing ▁up ▁L ives ", ▁they ▁bring ▁volunte ers ▁to ▁make ▁solar ▁lamp ▁and ▁street light s ▁out ▁of ▁pl astic ▁bott le