▁considered ▁to ▁be ▁written ▁between ▁ 1 7 6 0 ▁and ▁ 1 8 5 0 ▁during ▁the ▁he yd ay ▁of ▁the ▁P esh was . ▁ ▁At ▁least ▁eleven ▁b akh ars ▁have ▁been ▁written ▁princip ally ▁about ▁Sh iv aj i ' s ▁life ▁and ▁rule , ▁of ▁which ▁Sab has ad ▁Bak har , ▁ 9 1 ▁Kal mi ▁b ak har ▁are ▁the ▁most ▁important , ▁some ▁others ▁being ▁deriv ations ▁of ▁Sab has ad ▁Bak har ▁of ▁varying ▁reli ability . ▁These ▁have ▁been ▁valuable ▁resource ▁material ▁for ▁histor ians ▁chron ic ling ▁Sh ival i ' s ▁life ▁and ▁achiev ements . ▁ ▁List ▁of ▁B akh ars ▁▁ ▁Some ▁of ▁the ▁b akh ars ▁include : ▁ ▁R eli ability ▁▁ ▁Most ▁histor ians ▁have ▁long ▁neglect ed ▁as ▁un re li able , ▁due ▁to ▁their ▁colour ful ▁literary ▁style ▁with ▁elements ▁of ▁Mar ath i , ▁S ansk rit ▁a ph or isms ▁and ▁Pers ian ▁administrative ▁j arg on . ▁However , ▁b akh ars ▁are ▁recently ▁being ▁investig ated ▁for ▁their ▁historical ▁content . ▁ ▁James ▁Grant ▁D uff ▁re lied ▁on ▁b akh ars ▁in ▁the ▁making ▁of ▁his ▁" History ▁of ▁the ▁Mar ath as ". ▁Sh ank ar ▁G op al ▁T ulp ule ▁described ▁the ▁b akh ars ▁as ▁a ▁reliable ▁source ▁of ▁history , ▁while ▁the ▁Indian ▁national ist ▁historian ▁V ish wan ath ▁K ash in ath ▁Raj w ade ▁( 1 8 6 4