A CORRESPONDENT.DHUBRI: The NIA has summoned Rahul Chetry, general secretary of Dibrugarh University Post Graduate Students Union, for the purpose of answering certain questions relating to the case RC-13/2019/NIA-GUW dated December 14, 2019..Also Read: Conversion must to smart card driving license in Sonitpur.Also Watch: KMSS leader Akhil Gogoi granted bail as NIA fails to submit charge-sheet