Here is the translation of the input text from Hindi to English: "4 DCPs in Noida: Praveen Ranjan Singh is the new DCP of Central Noida, while Shravan Kumar Singh has been given the responsibility of Greater Noida."

The Gautam Buddh Nagar Police Commissionerate has changed the working areas of four DCPs. Police Commissioner Lakshmi Singh has made new postings of officers. In this reshuffle, the responsibilities of Traffic, Central Noida, Greater Noida, and Police Line have been changed. Dr. Praveen Ranjan Singh has been made the DCP of Central Noida. Previously, he was in charge of DCP Traffic. Now, Syed Ali Abbas has been appointed as DCP Traffic in his place.