A:Answer Hi, Mouli!
First, you need to connect the soundbar to your TV using HDMI cable to access the home menu. Then there is an on-screen instruction on how to pair the wireless speaker to the soundbar. For more details, check page 32.
https://www.sony.com/electronics/support/res/manuals/4727/d3668cdaf4f83107b52ee9bdb84fa5a0/47275331M.pdf
Happy to help,
David