Which Indian health institute has won first prize for sanitation & hygiene under the Kayakalp awards 2017?

• A. National Institute of Tuberculosis and Respiratory Diseases (NITRD), Delhi
• B. North Eastern Indira Gandhi Regional Institute of Health and Medical Sciences (NEIGRIHMS), Shillong
• C. Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh
• D. All India Institute of Medical Sciences (AIIMS), New Delhi