How to buy P2P in WazirX?

Can you please explain the process of buying P2P on WazirX in simple terms? I'm a beginner in cryptocurrency and would like to know the steps I need to follow to purchase P2P on this platform. Is it a secure way to buy cryptocurrencies? Are there any fees involved? And how do I ensure that I'm getting the best possible rate for my transaction? I'd appreciate any tips or advice you can offer to make the process smoother for me.