<prompt> National Family Health Survey has successfully completed:-One roundTwo roundsThree roundsFour rounds  <response>: National Family Health Survey NFHS is conducted once in every 5-6 years by International institute of population sciences IIPS, Mumbai. 1st conducted in 1992-93, 2nd 1998-99, 3rd 2005-06, 4th 2015-16. Four rounds of National Family Health Survey have been conducted so far. 