Hey prabhat! 

Classes of ug and pg standards of this college are organised as per the academic calender prescribed by maulana abul kalam azad university of technology(MAKAUT). So ,to know the academic calender of GCELT ,you can check the academic calendar of MAKAUT .

And the link for the same is :.

http://www.wbut.ac.in/page.php?id=229

Hope it helps!