Yes.
Students completing their Secondary or Senior Secondary education through NIOS are eligible to apply for various competitive exams, including:

• Engineering entrance exams (JEE)
  
• Medical entrance exams (NEET)
  
• Civil Services exams (UPSC)
  
• State-level competitive exams
  
• And many others, based on their NIOS certification.

NIOS certificates are recognized by various universities, government bodies, and institutions across India.