RRB NTPC exam 2020: Check the revised normalisation formula RRB NTPC recruitment exam 2020: A total of 1.26 crore candidates will appear in the NTPC recruitment exam from December 28. Here's the revised normalisation formula Updated: December 17, 2020 12:08:19 pm RRB NTPC exam will be held from December 28. Representational image/ file RRB NTPC exam 2020: The Railway Recruitment Board, RRB will conduct the recruitment exam for Non Technical Popular Categories (NTPC) posts from December 28. A total of 1.26 crore candidates who will appear for the NTPC recruitment exam can check the revised normalisation formula. Now, the marks will be calculated on the basis of average marks of the top 1 per cent of the candidates considering all shifts. The admit cards for the RRB NTPC exam is likely to release next week on the regional websites.