बीकानेर शासक कर्णसिंह एवं नागौर नरेश अमरसिंह के मध्य " मतीरे की राड़ " नामक युद्ध कब हुआ ? - When did the battle called "Matire ki Raad" take place between Bikaner ruler Karan Singh and Nagaur King Amar Singh? - Bikaner Shashak karnnsingh Aivam Nagaur Naresh Amarsingh Ke Madhya " matire Ki raad " Namak Yudhh Kab Hua ? Rajasthan GK in hindi, इतिहास कला एवं संस्कृति 1645 Me question answers in hindi pdf 1646 Me questions in hindi, Know About 1644 Me Rajasthan GK online test Rajasthan GK notes in hindi quiz book 1648 Me