BY A STAFF REPORTER: Midst of recruitment scam, Top officials of ED and CBI have come to West Bengal at the same time. According to sources, CBI Additional Director Ajay Bhatnagar has arrived in Kolkata. On the other hand, ED Director Sanjay Mishra has also come to the city. The two central agencies are vigorously investigating the teacher recruitment scam in West Bengal. It is learnt that the two will talk to the officials of the department concerned about the progress of the investigation in this regard.