Kolkata:The Central Bureau of Investigation (CBI) summoned West Bengal Chief Minister Mamata Banerjee's Director of Security Gyanwant Singh on May 4 at its Kolkata office for questioning concerning the coal scam case.
Read:|CBI searches underway in four districts of West Bengal in coal pilferage scam case
Singh, an IPS officer was appointed as the new director of security by the West Bengal Government in March this year after the Election Commission removed Vivek Sahay over the Nandigram incident in which Chief Minister Mamata Banerjee sustained injuries.
Gyanwant Singh had held the post of Additional Director General (Security) before his new responsibility. He is considered close to Banerjee.