Galgotias University — not paying salary

I have resigned on 19th august 2017 and served one and half month notice period till 30th september and completed all the no dues formalities from the university and received my documents (Relieving letter and experience letter). I have not yet received the salary of two month (Aug 2017- sept 2017). I did not get any response of my mails[protected],[protected] and[protected]...), calls and i also personally visited to their office many time from gujarat.in last visit you ensured me to give my check in one week.