National Family Health Survey-5 (NFHS-5) fieldwork for India was conducted in two phases, during the years between 2019 and 2021 by 17 Field Agencies and gathered information from 636,699 households, 724,115 women, and 101,839 men. Information was gathered from 27,929 households, 25,650 women, and 3,372 men from Tamil Nadu and in Thanjavur from 826 households, 687 women, and 83 men. This research paper points out the health indicators in which Thanjavur District improved over the earlier NFHS and over the State as well as Country level averages in the NFHS-5. As per The NFHS -4 the sex ratio has raised marginally to 1053 and in the NFHS-5, sharply raised to 1112. The sex ratio of the country is also remarkably high crossing 1000 mark, first time in the Indian statistical history in the NFHS-5. NFHS-5 reveals positive note that the child sex ratio restoration back to 934. It reflects the changing mindset proliferating in the district towards the female. Amidst the negative mindset towards upbringing girl children in the state of Tamil Nadu, revealed by the reduced child sex ratio of 878 in NFHS -5 from 954 in NFHS-4 in Tamil Nadu a sharp positive increase in the child sex ratio in Thanjavur is fair enough to the fair sex. On the other hand, the reason for the reduction in the child sex ratio in the rest of the state of Tamil Nadu needs an immediate attention comparing the previous NFHS. It is also to be noted here that even the country level child sex ratio also is in increasing trend as per the present NFHS comparing its earlier survey.