Sri Lankan job market is dominated by IT jobs. Anyway the positions available and the skilled required change so rapidly. So you have to do continuous learning. You can find Sri Lanka's job vacancies online.
Machan, you can follow a course at Sri Lanka Tourism Development Authority. More information can be found at http://www.sltda.lk/registration_of_tour_guides
Best Courses
you can find best courses including web development in the internet. This site is a good resource https://www.w3.org/2002/03/tutorials.html