कोटा राज्य ने अंग्रेजों से मित्रता एवं सहायता की संधि कब की ? - When did Kota state make a treaty of friendship and assistance with the British? - Kota Rajya Ne Angrejon Se mitrata Aivam Sahayta Ki Sandhi Kab Ki ? Rajasthan GK in hindi, आन्दोलन एवं उनके प्रणेता question answers in hindi pdf questions in hindi, Know About Rajasthan GK online test Rajasthan GK notes in hindi quiz book