However, these statistics have severe limitations, as all crimes are not reported to the police, and if reported, many are not registered by the police. This under-reporting of crime data has been validated in a study by an Indian Police Service officer, Tripurari, in Policing without Using Force: The Jalpaiguri Experiment. As the Superintendent of Police in Jalpaiguri, he made registration of FIRs mandatory at the 17 police stations of the district. Outcome: the monthly average of the number of recorded cases jumped from 249 in the pre-experiment phase to 1,060.