Noto Sans Devanagari
Google Fonts · Google · 2012

One of the most comprehensive and carefully crafted Devanagari sans-serif typefaces available, spanning nine weights for broad typographic versatility.
About
Noto Sans Devanagari addresses a genuine need for a high-quality, weight-rich typeface supporting Hindi, Sanskrit, Marathi, and numerous other Devanagari-script languages. Its stroke modulation respects the calligraphic origins of the script whilst delivering a contemporary, screen-optimised result. It is well suited to editorial design, user interfaces, and any project requiring serious multilingual Latin–Devanagari typesetting.
Classification
A thorough, multi-weight Devanagari sans-serif designed with careful attention to script-specific stroke modulation and proportions, paired with harmonious Latin glyphs. The wide weight range makes it one of the most versatile Devanagari typefaces available.