After completing 10th standard either you can apply for the 11th or for the diploma courses, it totally depends up on your interest. Following streams are available for you:

Science Stream with Mathematics / Biology / Computer / Bio-Math
Commerce Stream
Arts or Humanities Stream

You can also apply for the following Diploma courses after 10th:

Diploma in Automobile Engineering
Diploma in Aeronautical Engineering
Diploma in Agricultural Engineering
Diploma in Apparel Design Engineering
Diploma in Business Administration
Diploma in Ceramic Technology
Diploma in Chemical Engineering
Diploma in Civil Engineering
Diploma in Commercial Practice (English)
Diploma in Computer Science Engineering
Diploma in Architecture Engineering
Diploma in Handloom Technology
Diploma in Industrial & Production Engineering
Diploma in Instrumentation Technology
Diploma in Interior Decoration
Diploma in Architecture Assistantship
Diploma in Bio Medical Engineering
Diploma in Biotechnology
Diploma in Electrical Engineering
Diploma in Electrical & Electronics Engineering
Diploma in Fashion Technology
Diploma in Library Science
Diploma in Marine Engineering
Diploma in Mechanical Engineering
Diploma in Mechatronics
Diploma in Modern Office Practice
Diploma in Secretarial Practice
Diploma in Telecommunication Engineering
Diploma in Textile Technology
Diploma in Electronics & Communication