HDFC Bank Ergo General Insurance — i stopped the policy why emi is still deducting

Address:

26 south part, Ganesh vihar colony, Sirsi road, Jaipur, Rajasthan, 302012

Hello,
I have discontinued the health insurance policy i took with the home loan and the hdfc home loan branch guy also told me it has been stopped and as well i email for it to cancel they reply to confirm and i replied yes i want to stop it but still why the installments are deducting till now?
Its been 4 months around no one receive my phone and no one answer from there, i have canceled it. I want to stop my installments regarding the health insurance and want my refund of emis i paid for this insurance, pls help.
Homeloan ac no[protected]
Insurance loan ac no[protected]