What will be the change in Astmin, sigma st, sigma ct, sigma cbt if IS 3370 (1965) is used instead of IS 3370(2009) for designing watertank

I have exams tomorrow so please tell me What will be the change in Astmin, sigma st, sigma ct, sigma cbt if IS 3370 (1965) is used instead of IS 3370(2009) for designing of watertank