How much gate score is required for get a job in PSU for SC candidates?

Most of the Public Sector Undertaking (PSU) companies use Gate only for shortlisting the candidates.  Rarely, the Gate score is used for direct recruitment  to PSU jobs 2020. For example in NTPC 2019, the cut off Gate score for general candidates was 72. While for the SC candidates, it was 49. For more information, Pl visit https://www.jobchacha.com/psu-jobs-2020-public-sector-company-jobs-11490/