1. सिद्धांत

    ♪ siddhānt
    src:hi-cognate src:aligned script:Deva
    1. Noun
    2. principle, doctrine
    1. Proper noun
    2. a male given name, Siddhant, from Sanskrit
    2. theory

  2. सापेक्षता के सिद्धांत

    src:bhwiki-langlinks script:Deva
    2. Theory of relativity