A day after he was reportedly served a notice by the CBI, Kunda MLA and former minister Raghuraj Pratap Singh alias Raja Bhaiya met Uttar Pradesh Chief Minister Akhilesh Yadav on Friday. The former minister is likely to be interrogated by the CBI which has charged him with criminal conspiracy in the murder of DSP Zia-ul-Haque at Balipur village in Pratapgarh district on March 2. Three persons — the gram pradhan, Nanhe Yadav, his brother, Suresh Yadav, and the DSP — were killed in the attack.