what should i do after b.tech in cse? can i do job with further studies?is b.tech is sufficient for a good job?

if u do not have any urgency to earn then u can go for your PG program like mtech or mba cn also help you..

nowadays every1 does b.tech :P u can work for 2 yrs & then do m.tech tht will be good

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

For a good and stable job, it is recommended to get a masters degree. You may try for MTech in India through GATE exam or MS in foreign universities. There are a lot many online and distance education courses which you can join along with job.