Kotak Securities — non payment of closure amount

I am having a trading account no ydf15 at varanasi. As the said account become dormant i applied for it closure after doing the necessary formalities and finally my account was closed in july 2017, but still no payment of closure amount is paid to me.
Kindly look into the matter and arrange the payment.
With thanks
Satay prakash singh
Varanasi
[protected]