Correct option is A
Nischay Kit is a simple rapid test kit available at health sub-centres for early pregnancy detection. It works by detecting Human Chorionic Gonadotropin (hCG) hormone in urine and helps in the early initiation of antenatal care services by confirming pregnancy quickly at community level. Explanation for each option: (a) Nischay: Correct. Nischay is a urine-based rapid pregnancy detection kit distributed under the National Health Mission at subcentres to confirm pregnancy early. (b) Nikshay: Incorrect. Nikshay is a digital platform used for the management and monitoring of tuberculosis (TB) patients, not related to pregnancy detection. (c) M. P. Card: Incorrect. M.P. Card (Mother Protection Card) records maternal health details but it is not a pregnancy detection tool. (d) MCP card: Incorrect. MCP Card (Mother and Child Protection Card) is used to maintain complete health records of mother and child but is not a testing kit for pregnancy detection.