Connection of relay and switch board

How to connect a relay with switch board to turn on light manually as well bolt iot

This question is alwready answered here Bolt WiFi Module connections with Home Appliances / Home Automation and there are many other resources as well.

Alwayes use the search feature to check if a thread exists before posting a new question on forum. Also, ask the new question in the same thread and avoid creating a new thread for same topic

Sir getting this error while clicking on the link.

@saifquraishi387 try the link now