सवाई जय सिंह ने राजस्थान के किस शहर में वेधशाला स्थापित की ? - In which city of Rajasthan did Sawai Jai Singh set up the observatory? - Sawai Jay Singh Ne Rajasthan Ke Kis City Me Vedhshala Sthapit Ki ? Rajasthan GK in hindi, स्थापत्य कला Bharatpur question answers in hindi pdf Jaipur questions in hindi, Know About Ajmer Rajasthan GK online test Rajasthan GK notes in hindi quiz book Tonk