You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Sample registration is done and explain in detail?
Sample registration system (SRS) SRS is taken once every 6 months It is a dual record data collection system of India Therefore, it is the most accurate data collection system of India