i completed bca. which course i shoud join...i want to do course

The most logical next course would be to go for MCA. However, first evaluate in which field you want to make your career and what kind of work suits you more and if you want to work in private sector or for the Government.

Getting Degree is not enough and selecting a career option is now a days is very tough job as well. Web Development like eCommerce Solution u need to to equipped urself with some of the languages like PHP, Javascript, HTML, DHTML, XML, CSS, AJEX lots of there. If u choose Linux platform for the Web