. "2006Z"^^ . "Indian scientist" . . "Arvind Bhatnagar made significant contributions to Solar Astronomy, and founded several planetaria across India. He was the founder-director of the Udaipur Solar Observatory, and the founder director of Nehru Planetarium of Bombay.Prof. Arvind Bhatnagar was known internationally for his significant contributions to Solar Astronomy. He was the founder-director of the Udaipur Solar Observatory."@en . . "2006-05-18Z"^^ . "Arvind Bhatnagar"@en . "Bhatnagar, Arvind"@en . "1936-11-19Z"^^ . "1936Z"^^ .