NEW DELHI : As many as 22 states are doing more than 140 COVID-19 tests per day per million in line with the comprehensive testing guidance note by the WHO, the Health Ministry said, while advising the remaining ones to increase testing accordingly.Explaining if India was testing adequately, Rajesh Bhushan, officer on special duty in the Health Ministry, said a guidance note by the World Health Organization underlined the need for comprehensive surveillance and testing of suspected cases."While defining the meaning comprehensive in the same document, they say if you are testing 140 people per day per 10 lakh people, that would be indicative of comprehensive," Bhushan said at a press briefing."There are 22 states performing more than 140.