▁District ▁in ▁the ▁Division ▁of ▁Ch itt ag ong , ▁Bang l adesh . ▁ ▁Notable ▁land marks ▁are ▁the ▁K arn aph uli ▁H ydro elect ric ▁Power ▁Station , ▁the ▁only ▁H ydro - elect ric ▁power ▁plant ▁of ▁Bang l adesh . ▁The ▁K apt ai ▁Dam , ▁built ▁for ▁this ▁purpose ▁on ▁the ▁K arn aph uli ▁River , ▁created ▁the ▁K apt ai ▁Lake , ▁the ▁largest ▁man - made ▁dam ▁in ▁Bang l adesh . ▁ ▁Geography ▁K apt ai ▁is ▁located ▁at ▁ ▁. ▁It ▁has ▁ 1 2 9 9 2 ▁households ▁and ▁total ▁area ▁ 2 5 9   km ². ▁ ▁Dem ograph ics ▁At ▁the ▁ 2 0 0 1 ▁Bang l adesh ▁census , ▁K apt ai ▁had ▁a ▁population ▁of ▁ 6 6 , 1 3 5 . ▁M ales ▁constit uted ▁ 5 5 . 4 5 % ▁of ▁the ▁population , ▁and ▁females ▁ 4 4 . 5 5 %. ▁The ▁population ▁of ▁those ▁aged ▁ 1 8 ▁and ▁older ▁was ▁ 3 2 , 3 5 2 . ▁The ▁average ▁liter acy ▁rate ▁was ▁ 4 9 . 9 % ▁( 7 + ▁years ). ▁ ▁Point s ▁of ▁interest ▁ ▁K apt ai ▁lake ▁ ▁K arn aph uli ▁P aper ▁M ills ▁ ▁K arn aph uli ▁P aper ▁M ills ▁is ▁one ▁of ▁the ▁greatest ▁paper ▁mill s ▁in ▁Asia . ▁It ▁streams ▁alongside ▁K arn aph uli ▁river . ▁The ▁distance ▁between ▁Ch