The application dates for NIOS stream1 block is active now .The date for application was from 16 March-31 July with normal fees. You can apply for it until September 15 with a late fees of Rs 700.  The official website is sdmis.nios.ac.in. Go through the instructions before applying for the exam. Go to the website and click on register button,read the instructions and proceed. Select the state,identity ,identity type ,course and proceed to application form. Then complete your application form. The application form asks basic details about you like address,category,mobile number and so on. Just fill it and and select your study centre. Rember to review your application before final submission and complete your payment. All the best.