The Telangana Academy for Skill and Knowledge (TASK) focuses on:

Vocational training
Higher education
Research and development
Primary education

The correct answer is: A) Vocational training.

The Telangana Academy for Skill and Knowledge (TASK) is a state government initiative to provide vocational training to the youth of Telangana. It offers a variety of courses in different sectors, such as IT, manufacturing, healthcare, and hospitality. The aim of TASK is to provide the youth with the skills they need to get good jobs and contribute to the development of the state.

Option B, higher education, is incorrect because TASK does not offer any courses at the university level. Option C, research and development, is incorrect because TASK is not a research institute. Option D, primary education, is incorrect because TASK is not a school.