▁further ▁expanded ▁his ▁territory ▁into ▁the ▁C is - S ut lej ▁states ▁including ▁Me er ut , ▁Sah aran pur , ▁Shah dra ▁and ▁A wad h . ▁His ▁actions ▁were ▁supported ▁by ▁Afghan ▁al lies ▁including ▁Z ab ita ▁Khan ▁and ▁Gh ul am ▁Q ad ir ▁Khan . ▁ ▁Att ack ▁on ▁Del hi ▁In ▁February ▁ 1 7 6 4 , ▁a ▁body ▁of ▁ 3 0 , 0 0 0 ▁S ikh ▁soldiers ▁under ▁the ▁command ▁of ▁war rior ▁leaders ▁including ▁Singh , ▁crossed ▁the ▁Yam una ▁River ▁and ▁captured ▁Sah aran pur . ▁They ▁over ran ▁the ▁territory ▁of ▁Naj ib ▁ud - Da ul ah , ▁acqu iring ▁from ▁him ▁a ▁t ribute ▁of ▁eleven ▁la kh ▁of ▁ru pe es ▁( ▁ 1 , 1 0 0 , 0 0 0 ). ▁ ▁In ▁April ▁ 1 7 7 5 , ▁Singh ▁with ▁two ▁other ▁s ard ars , ▁R ai ▁Singh ▁B hang i ▁and ▁T ara ▁Singh ▁G ha iba , ▁crossed ▁the ▁Yam una ▁river ▁to ▁occup y ▁land ▁ruled ▁by ▁Z ab ita ▁Khan , ▁the ▁son ▁and ▁successor ▁of ▁Naj ib - U d - Da ul ah . ▁In ▁des per ation , ▁Z ab ita ▁Khan ▁offered ▁Singh ▁large ▁sums ▁of ▁money ▁and ▁proposed ▁an ▁al liance ▁to ▁joint ly ▁pl under ▁the ▁crown ▁lands . ▁ ▁Singh ▁set ▁up ▁an ▁Oct ro i ▁post ▁( tax ation ▁office ) ▁near ▁Sab zi ▁Mand i ▁to ▁collect ▁tax