I've completed my B.tech in Bio technology but I don't have any interest in this field.which options I have in field of fashion or arts now

Sahil, If you're creative, you can always consider going for Design and Animation. This is a field where nobody cares for your qualification, they only see if you can do quality work. A good mentor and wise selection of courses with a good school, followed by diligent learning, would get you a head

Sahil, Design is a field that is age old and has been evolving every year like science. Sometimes student Artists are too much enamoured by Fine Arts preventing them to look objectively at Design. They must read this http://bit.ly/SXc9GD. Again like science it pays to be at the cutting edge. For e.g