Sulabh Sauchalaya, a water seal type of latrine, has been developed by a firm based in which city?

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E6 Parks TextBook of Preventive & Social Medicine part 2 — Subpart B (pp 233-449 of 464) p. 77-79
E6 Comprehensive Textbook of Community Health NursingShyamala D part 1 (pp 26-389 of 389) p. 179-181
Practise the full UPPSC 2022
Attempt every question from this paper in a timed mock, then review the full solution for each one.