pls tell me about certified accouting technician course.Is it better course after b.com

yes by doing certified accounting after or with b.com you will surely get an edge from other student of b.com. all the best

yes it is rather i will suggest you better do it now no need to wait after completing B.com as after this course you can easily get job not only part time but also full time.so better go both in bcom as well as certified in accounting as same subjects are there.