i am an MBA in sales and marketing, i want to do autombile engg through distance. how can i do please tell me.

i had Science with maths and Engg. Drawing in 12th class, cudnot pursue Engg. for some reasons, though i wanted to. now m currently working at sales and marketing position, and want to do dis course, as i m interested in going to automobile industry.PLease help m in urgent need. Thank you.