Guru Gobind Singh Indraprastha University — not got part academic refund

Cet roll no.1147131 (Bca)
My son withdrawn his admission on 9 august and when he went to university after last round they told him that refund will get by month's end, next month when he went univeresity again they told same thing "by month's end".

Everytime they outrun the date, they are not giving us our money back on time.
Please resolve this issue as soon as possible or i will lodge an fir against them