H&m — Refund

Address:	Centre Saket New Delhi
Website:	H&m

I brought the stuff from H&M on august n returned next day but till now I haven’t got my payment ..I made calls, emails regarding payment but got same answers ‘after 24 hours or 7 days ..I am fed up with their answers…how can we make a complaint on social media ?I tried to post on fb but got no complaints box on fb…