As you are looking for the CBSE open school 10th class result , here I am providing the process to reach the result page.
Go to the official website of The National Institute of Open Schooling.
You can see Student Information Section which is on the right side.
A new page will open where you can see Examination
Click on “Date sheet for April 2014 Exam”
The page looks like the image given below



Contact:
National Institute of Open Schooling
A - 24/25, Institutional Area, Block A, Industrial Area, Sector 62, Noida, Uttar Pradesh 201309 ‎
0120 240 4469 ‎

Map: