किस वर्ष बैशाखी के दिन 13 अप्रेल को गुरू गोविंदसिंह ने " खालसा पंथ ’ की नींव रखी थी ? - In which year, on the day of Baisakhi, on 13th April, Guru Gobind Singh laid the foundation of "Khalsa Panth"? - Kis Year baishakhi Ke Din 13 April Ko Guru govindSingh Ne " khalasa Panth ’ Ki neev Rakhi Thi ? India History in hindi, 1699 question answers in hindi pdf 1750 questions in hindi, Know About 1650 India History online test India History notes in hindi quiz book 1799