▁ ▁Sa ' ad at ▁Khan ▁en larg ed ▁the ▁state ▁boundary ▁on ▁eastern ▁front ▁by ▁taking ▁Ban ar as , ▁Ja un pur , ▁Gh az ip ur ▁and ▁Ch un ar ▁under ▁his ▁control ▁from ▁Jag ird ar ▁M urt aza ▁Khan ▁in ▁ 1 7 2 8 . ▁ ▁He ▁was ▁one ▁of ▁the ▁command ing ▁M ug hal ▁gener als ▁in ▁the ▁Battle ▁of ▁K arn al ▁against ▁Nad ir ▁Shah . ▁Sa ' ad at ▁Khan ▁was ▁captured ▁during ▁the ▁battle ▁and ▁died ▁on ▁the ▁night ▁prior ▁to ▁the ▁mass acre ▁of ▁Del hi ▁by ▁Nad ir ▁Shah ▁on ▁ 1 9 ▁March ▁ 1 7 3 9 . ▁He ▁was ▁buried ▁at ▁Del hi ▁in ▁the ▁ma us ole um ▁of ▁his ▁brother ▁Say ad at ▁Khan . ▁ ▁Issue ▁and ▁successor ▁His ▁only ▁child ▁was ▁a ▁daughter ▁who ▁was ▁married ▁to ▁his ▁nep hew ▁Muhammad ▁Mu q im ▁better ▁known ▁as ▁Ab ul ▁Mans ur ▁Khan ▁Saf dar ▁Jung ▁the ▁son ▁of ▁Say ad at ▁Khan ▁who ▁succeeded ▁him ▁in ▁the ▁government ▁of ▁A wad h . ▁ ▁The ▁ 2 nd ▁N aw ab ▁Saf dar j ung ▁Fa iz abad ▁developed ▁further ▁during ▁the ▁reign ▁of ▁N aw ab ▁Saf dar j ung , ▁the ▁second ▁na w ab ▁of ▁Av ad h ▁( 1 7 3 9 – 5 4 ), ▁who ▁made ▁it ▁the ▁military ▁headquarters ▁while ▁his ▁successor ▁N aw ab ▁Sh u ja - ud - da ula ▁developed ▁it