CBI summons Bankura SP in illegal coal smuggling case By IANS | 3 Views Coal mining. (File Photo: IANS). Image Source: IANS News Kolkata, April 10 : The Central Bureau of Investigation (CBI) has summoned Bankura Superintendent of Police Koteswara Rao N on April 12 for questioning in connection with alleged illegal coal smuggling case, sources said on Saturday. A CBI source related to the probe told IANS, "We have summoned Rao for questioning in connection with the case on April 12. He has been asked to appear before the agency at our office in Salt Lake area in Kolkata." The CBI, earlier in the day, questioned Anup Majhi a.k.a. Lala, the alleged kingpin of the coal pilferage case, for the fifth time.