1. (a) Chaudhary Devi Lal   For more answers visit to website: https://www.tiwariacademy.com/ncert-solutions/class-9/social-science/

    (a) Chaudhary Devi Lal

     

    For more answers visit to website:
    https://www.tiwariacademy.com/ncert-solutions/class-9/social-science/

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