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	1.	No cover image available Ground water resources of Bihar with special reference to the problems of planning and development for irrigational purposes / by A. K. Roy and Subrata Sinha by Roy, A. K Sinha, Subrata [jt. auth] Geological Survey of India (Kolkata) Material type: Text; Format: print ; Literary form: Not fiction Language: en Original language: g Publication details: [Calcutta] : Geological Survey of India, 1968 Availability: Items available for loan: National Library of India (1)Call number: GP 551.49 [1] (5416) R 812. Place hold Request article Save to lists
	2.	No cover image available Bulletins of the Geological Survey of India / A. K. Roy by Roy, A. K Geological Survey of India (Kolkata) Series: Series B-Engineering geology and ground water No-30.Geology and ground water resources of Narmada Valley Material type: Text; Format: print ; Literary form: Not fiction Language: English Publication details: Delhi : Govt. Press, 1971 Availability: Items available for loan: National Library of India (1)Call number: G. P.555.40061In2bb no.30. Place hold Request article Save to lists
	3.	No cover image available Bulletins of the Geological Survey of India / A. K. Roy and B. N. Sen by Roy, A. K Sen, B. N [jt. aut] Geological Survey of India (Kolkata) Series: Series B-Engineering geology and ground water No-7.Report on the water supply of the Purna Valley, Berar Material type: Text; Format: print ; Literary form: Not fiction Language: English Publication details: Delhi : Govt. Press, 1956 Availability: Items available for loan: National Library of India (1)Call number: G. P.555.40061In2bb. Place hold Request article Save to lists
	4.	No cover image available Bulletins of the Geological Survey of India / A. K. Roy and D. V. Ramanamurty by Roy, A. K Ramanamurty, D. V [jt. aut.] Geological Survey of India (Kolkata) Series: Series B-Engineering geology and ground water No-39, Near surface groundwater studies in the central Narmada valley, Madhya Prodesh Material type: Text; Format: print ; Literary form: Not fiction Language: English Publication details: Delhi : Govt. Press, 1975 Availability: Items available for loan: National Library of India (1)Call number: G. P.555.40061In2bb. Place hold Request article Save to lists
	5.	Recent advances in phytopathological researches / edited by A. K. Roy and K. K. Sinha by Roy, A. K [jt. edt] Sinha, K. K [jt. edt] Material type: Text; Format: print ; Literary form: Not fiction Language: English Publication details: New Delhi : M. D. Pub., [1985] Availability: Items available for loan: National Library of India (1)Call number: E571.92 R243. Place hold Request article Save to lists
	6.	Phytodiversification and human welfare : dedicated to late Porf K. S. Bilgrami, FNA (1933-96) / edited by A. K. Roy, J. V. V. Dogra and S. K. Varma by Dogra, J. V. V [edt] Roy, A. K [edt] Varma, S. K [edt] Material type: Text; Format: print ; Literary form: Not fiction Language: English Publication details: New Delhi : M D Publications, 1998 Availability: Items available for loan: National Library of India (1)Call number: E 580 P 569. Place hold Request article Save to lists
	7.	No cover image available Processes for direct production of high concentration phosphoric acid and their prospects/ B.B. Roy and A.K. Roy by Roy, B.B Roy, A.K [jt aut] Material type: Text; Format: print ; Literary form: Not fiction Language: English Publication details: Delhi: Association of India, 1972 Availability: Items available for loan: National Library of India (1)Call number: E 661.25 R 812. Place hold Request article Save to lists

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