Can anybody suggest me how should I start a restaurant business?

First thing's first, I would say plan and preparation is the key to have a successful business. Take time to list your strategies in here as well. Next, take care of all the necessary documents. This part is crucial you know. Anyway, as soon as you're done with all of these steps, it is now time to advertise your business. You can go online and take advantage of its power and benefits. Ad banners, print materials, and even business cards. Yes, they are important. I've always loved the idea of putting those business cards at the counter where every customer could see and get one. A friend who owns a business has this strategy. I believe she had it printed and delivered from businesscardking.net. The design was interesting and enticing. Good luck on your new journey.