https://hihindi.com/essay-on-paryavaran-environment-meaning-%e0%a4%aa%e0%a4%b0%e0%a5%8d%e0%a4%af%e0%a4%be%e0%a4%b5%e0%a4%b0%e0%a4%a3/
पर्यावरण का अर्थ व परिभाषा Environment Meaning In Hindi