Hello,
If you do diploma in some productive course then you can start your career as soon as you complete your diploma. Also short term diploma courses can be effective.
Please visit this link for details about some short term diploma courses in India which can get you a decent job as soon as you complete them.
https://www.google.com/amp/s/university.careers360.com/articles/20-diploma-courses-get-you-job/amp
Hope it helps