I lost about 23 kg with diet and daily walks, within a time span of 6 months. We were confident through every step of the journey. Only because there was always a plan in place, no trial and error experiments. I had the ability to push myself due to the constant support by Pankaj through every phase during the 6-months period.
If you are still debating to start with him, there are many fitness professionals on the field. But if you expect a coach to support you through every step of the journey, then he is the coach for you.