LT Online Store — Need full refund on my ordered product

Address:

Gr.17, Podar Chamber, Store Lane, Near RBI Bank, Fort, Mumbai 400001

Ordered 1 headphone through LTOnline on 27th June, till now they did not provide any status on shipping the order, I paid around 650Rs, they don't pick call in their provided customer care nos and also not replying to my emails for last 3 days.

I want a full refund and cancellation of the order. Kindly help in taking this up and update me ASAP.

Order id-#[protected]
Date of order-27th June 2020