The News Minute | November 17, 2014 | 05:47 ISTYoga guru Baba Ramdev on Monday was given Z category security. The Z category has a security cover of 22 armed guards and an escort car. Under Z category, the security cover is provided by the Delhi police or the ITBP or CRPF personnel and one escort car. The other categories of security cover provided include Z plus, Y, and X and are decided by the ministry of Home Affairs, depending on perception of threat against the individuals. Some individuals who have Z category security pay for the security provided to them. Read Business Standard's report: Mukesh Ambani's 24x7 Z-security cover to cost him Rs 15 lakh a monthSecurity measures are also upgraded or downgraded after periodic reviews by the ministry. Last year, cricketer Mahendra Singh Dhoni's security cover was brought down from Z to Y category.