Well if it's a LEGAL homestay, why not contact your local government officials and ask them for ideas on how to promote it?
To get more exposure for your business and to find potential new clients, you need to enlist your business in business directory listings. Being in the business directory not only enhances your search engine ranking, but it also opens door to more clients and visitors. For a start, you should definitely check out: http://www.worldlink-now.com
I've a homestay in Kerala.Where can I promote it to get potential visitors?I already have made a blog,G plus page,FB page and I've profiles in sites like homestaybooking.com and coutchsurfer.What are the other sites in which I can promote my homestay?