If i have good sketching skills, then which part time animation course i must do.?

Well chetan, sketching relates more to character animation skills than vfx which is more pic/ photography oriented. If you're creative, you can always consider going for Design and Animation. A good mentor and wise selection of courses with a good school, followed by diligent learning, would get you

Hello Chetan Animation is a highly exciting, youthful career. It needs lot of passion, patience and Creativity to become good animator. Ensure that you possess it. Such course prepares you for promising career in Animation Studios, Production Houses, Web, Ad agencies, Home entertainment through TV,

You can go for Photoshop, Flash and other DTP tools training