In Kolkata a special CBI court today remanded former state Education and Industry Minister Partha Chatterjee and a former state secondary board of education president Kalyanmoy Ganguly to CBI custody till 21st Sept.<br />''<br />''Ganguly was summoned by CBI yesterday to question irregularities in the recruitment of teaching and non-teaching staff and he was arrested after being grilled for over 6 hours. <br />''<br />''CBI has already arrested S.P Sinha, former advisor of School Service Commission, and Ashok Saha former secretary OF School Service Commission in an alleged irregularity over the recruitment of teaching and non-teaching staff. Both of them are in CBI custody now. <br />''<br />''<span style="color: #222222;">The central agency is planning to question all the four accused including the former Education Minister face to face to extract some more detail. It may be mentioned that CBI is investigating the irregularities in the recruitment of teachers and non-teaching staff on an order of the Calcutta High Court.</span><br />