Actress Rani Mukerji, who plays a cop in “Mardaani 2”, has urged women of the country to join the police force in large numbers. “I want more and more girls and women of our country to choose the police department as their profession because personally as a citizen of this country, I feel that there aren’t better police officers than female police officers,” said Rani, at a special screening of “Mardaani 2” for female officers of Maharashtra Police in Mumbai.