The Hindu — haven't received my copy not getting my subscription charged

I had subscribed for the Hindu young world in AUG 2018. however have never received a single copy neither they are refunding my subscription charges too. It has been 4 months still no solution. I have called them uncountable times still they are not willing to refund my money. Customer care executives are least responsible and afraid to transfer call to their higher officials.

Regards,
Kiran