As the OSCBC gears up to start survey of social and educational condition of the backward classes in Odisha from May 1, senior BJP leader and Union Minister Dharmendra Pradhan Thursday said that the state administration already has the data on the number of people under OBC category. Pradhan, who has written at least three letters to Chief Minister Naveen Patnaik demanding immediate implementation of 27 per cent quota for OBC category, in a statement said that his demand for reservation in jobs and education remain unaddressed till date. Meanwhile, after the state government's nod, the Odisha State Commission for Backward Classes (OSCBC) has decided to conduct the survey from May 1 to May 20 and release the findings on June 11 based on which the administration will take a decision on the ratio of reservation to be made for the OBCs.