▁In ▁ 1 9 8 5 , ▁Maj - Gen ▁Khan ▁was ▁elev ated ▁as ▁G OC ▁of ▁the ▁ 6 th ▁Arm oured ▁Division ▁in ▁K har ian , ▁and ▁o vers aw ▁the ▁combat ▁deployment ▁in ▁response ▁to ▁the ▁massive ▁military ▁exercise ▁by ▁the ▁Indian ▁Army ▁in ▁ 1 9 8 5 – 8 6 . ▁ ▁In ▁ 1 9 8 8 – 1 9 9 1 , ▁Lieutenant - General ▁Khan ▁was ▁appointed ▁as ▁the ▁Field ▁Commander ▁of ▁the ▁XI ▁Corps , ▁station ed ▁in ▁P esh aw ar . ▁ ▁Chief ▁of ▁General ▁Staff ▁▁ ▁In ▁ 1 9 9 1 , ▁L t - Gen . ▁Khan ▁was ▁appointed ▁as ▁the ▁Chief ▁of ▁General ▁Staff ▁( C GS ) ▁at ▁the ▁Army ▁G H Q ▁under ▁Chief ▁of ▁Army ▁Staff ▁General ▁As if ▁N aw az . ▁After ▁the ▁sudden ▁death ▁of ▁ ▁General ▁General ▁As if , ▁L t - Gen . ▁Khan ▁was ▁the ▁five ▁most ▁senior ▁army ▁gener als ▁in ▁the ▁race ▁for ▁the ▁promotion ▁of ▁four - star ▁rank . ▁ ▁Due ▁to ▁his ▁office ▁statue ▁of ▁Chief ▁of ▁General ▁Staff , ▁L t - Gen . ▁Khan ▁had ▁met ▁both ▁the ▁necessary ▁senior ity ▁and ▁prof ound ▁ability ▁to ▁become ▁the ▁army ▁chief , ▁despite ▁the ▁senior ▁most ▁L t - Gen . ▁J aved ▁Nas ir ▁who ▁was ▁over look ed ▁and ▁never ▁considered ▁for ▁this ▁appointment . ▁ ▁His ▁clos eness ▁and ▁im partial ity ▁on ▁issues ▁between ▁President ▁Gh