India. Registrar General & Census Commissioner & Sekhar, A. C. (1974). Census of India, 1971. Series 1 India: General holders and technical personnel (special tables G-V - G-XII). Controller of Publication.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIndia. Registrar General & Census Commissioner और A. Chandra Sekhar. Census of India, 1971. Series 1 India: General Holders and Technical Personnel (special Tables G-V - G-XII). Controller of Publication, 1974.
एमएलए (9वां संस्करण) प्रशस्ति पत्रIndia. Registrar General & Census Commissioner और A. Chandra Sekhar. Census of India, 1971. Series 1 India: General Holders and Technical Personnel (special Tables G-V - G-XII). Controller of Publication, 1974.
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