▁stories ▁were ▁extens ively ▁based ▁in ▁Cal cut ta ▁and ▁its ▁sub ur bs , ▁but ▁the ▁Ch arm ur ti ▁tra ve led ▁to ▁H aj ar ib ag , ▁Du ars , ▁Dar je eling ▁ ▁where ▁their ▁pleasure ▁trip ▁turned ▁into ▁a ▁series ▁of ▁myster ious ▁inc idents . ▁ ▁March ▁ 1 9 4 6 ▁Nar ay an ▁Gang op ad hy ay , ▁shift ed ▁to ▁a ▁r ented ▁house ▁at ▁Pat old anga , K olk ata , ▁where ▁his ▁Land l ord ▁was ▁Sh ri . Pro b hat ▁M uk her je e ▁( T en ida ). ▁Nar ay an ▁Gang op ady ay ▁had ▁a ▁good ▁relation ▁with ▁his ▁land l ord , ▁to ▁the ▁extent ▁where ▁the ▁two ▁families ▁were ▁almost ▁family ▁friends . ▁When ▁B ish u ▁M uk her je e ▁approached ▁him ▁for ▁stories ▁for ▁' M ouch ak ". ▁Ten ida ▁was ▁created ▁initially ▁to ▁mock ▁his ▁land l ord ▁in ▁two ▁stories ▁" M ats ya - P ur an " ▁& ▁" K h att ango ▁O ▁P all anno ". ▁Other ▁two ▁characters ▁Ky bla ▁& ▁Hab ul ▁were ▁added ▁subsequently ▁and ▁profile ▁of ▁Ten ida ▁was ▁also ▁changed . ▁ ▁Main ▁characters ▁in ▁the ▁Ten ida ▁universe ▁ ▁Ten ida ▁The ▁suffix ▁da ▁used ▁after ▁his ▁actual ▁nick name ▁T eni ▁is ▁short ▁for ▁d ada ▁( el der ▁brother ) ▁which ▁is ▁used ▁to ▁initi ate ▁convers ations ▁with ▁an ▁elder ly ▁male