The ruling Bharatiya Janata Party (BJP) in Jharkhand won all the five municipal corporations and registered thumping victories in Nagar Parishad and Nagar Panchayat polls, officials said. The counting of votes took place on Friday. The polling had taken place on April 16. The BJP also retained the Ranchi Mayor and Deputy Mayor post. The BJP won all the five municipal corporations, Mayor and Deputy Mayor posts. The polling took place for the five municipal corporations of Ranchi, Medninagar, Adityapur, Hazaribagh and Giridih. Reacting to the victory, Jharkhand Chief Minister Raghubar Das said: "It's a victory of the BJP workers.