How to promote business listing site

Call Me India is a leading local business listing site having with 40+ category, 1000+ subcategory, our targeted country is India. Please suggest me how I can promote it so people will add their business listing in it..
First, promote your directory. If you have many visitors in your directory, businesses would love to register there. You can use some events to promote your directory there. Also, promote on social media. Start a blog as well with useful tips for business.

To promote your site ,its better to post your content on top 100 business listing sites which you can easily find in Google.Using other local directories is another great way to promote your own.