भारत ने किस वर्ष BS-V को पूरी तरह से छोड़कर देश भर में भारत स्टेज VI (BS-VI) उत्सर्जन मानदंडों को लागू करना अनिवार्य किया था?

Prolonged occupational exposure to excessive noise from heavy machinery without hearing protection causes noise-induced hearing loss. Excess noise is categorized as a:

Long-term exposure to indoor air pollutants, such as smoke from burning biomass fuels, significantly increases the risk of developing chronic respiratory conditions like: