Selecting the right course after class X for a successful career first depends on your interest & capability. The options after 10th you can opt-

Industrial Training Institutes
Industrial Training Institutes (ITIs) are government-run training organizations which offer post-school technical training ranging from 6 months to 2 years in varied fields.
Job Scope: Apprentice, welder & Govt. jobs

Laboratory Technician Diploma
This course is meant for training in Clinical Laboratory technology where students are equipped with technical know-how for placement in clinical labs & hospitals. Though duration varies, it is mostly a 3-year course.
Job Scope: Lab Technician, Lab Assistant

Engineering Diploma
It is a technical degree which aims to enable students to understand technical communication and apply basic problem solving techniques.

You can also refer below given article for further information

Courses after 10th

Good Luck!