hi,am completed 10th and now am studying final year of diploma mechanical engineering .after that can i able to join fashion technology?

Yes,you are eligible but please check the eligibility criteria of the institute you are aiming for..

Basic Eligibility for B.tech Fasion Technology : For admission in a bachelor's degree, the candidate must have passed the higher secondary school certificate (10+2) examination with science subject such as biology, maths and chemistry. For IITs, It is mandatory to qualify in the Joint Entrance Exami