A group of people linked with the development said that The Central bureau of Investigation(CBI) is nowadays functioning on the practice of to ensure that the witnessed linked with its cases are not been called for questioning purpose on day to day basis to avoid the allegations of harassment that were being imposed on CBI . Witnesses were called every single day in many cases like 2G coal spectrum scam, and other high profile cases like the one Punjab national bank scan associated with Nirav modi and Mehul choksi and the corruption case against former union minister of India P Chidambaram and the Sushant Singh rajput case. Witnesses of these cases were called everyday for investigation and clarification of the various issues linked to these cases. Whilst maintaining the anonymity of the case an officer cited that employee of a public sector bank was called dozens for times in the year of 2018 for the purpose of investigation in a case of bank fraud. CBI director Praveen Sinh