AMID the CBI-Kolkata Police tussle that unfolded on Sunday afternoon when officials belonging to the central investigative agency were detailed from outside the Kolkata Police Commissioner’s residence, the cop who hogged the limelight was Rajeev Kumar, 1989 batch IPS and the city police commissioner himself. As the state Chief Minister Mamata Banerjee began dharna in support of the city’s top cop, Kumar too joined the dharna, something unprecedented and controversial. Without getting into the merits of the case, here below are five things you may like to know about IPS Rajeev Kumar: