Zookr — received damaged and defective product

Address:

New Delhi, Delhi, 110020

I purchase a powerbank online from zookr. My order no. Is 76bfbab3-28de-44c7-8eb-eb83095642f9 on dated 25-3-18. I received product on 28-3-18 & found product is damaged & defective. Their tollfree no. Is pick call but call is disconnected after 41 sec autometically. Please refund my 599/-. Zookr is totally fraud also i don`t recived cable in box. Please help me