Students come out after appearing in the Bihar Board class 10th examination at Bankipur Girl's High School on Feb. 14, 2023 in Patna, India.
Santosh Kumar | Hindustan Times | Getty ImagesIn two months, India is projected to become the world's most populous country with over 1.4 billion people.
"In the absence of latest census data, the estimations are based on data that is one decade old and is likely to provide estimates that are far from reality," Sharma said.
The office of the Registrar General of India, which is responsible for the census, did not respond to a request for comment.
Teachers' travailsThe United Nations has projected India's population could touch 1,425,775,850 on April 14, overtaking China on that day.