Changes in seismic design parameters or changes in class of Industrial structures in new code will lead to changes in seismic forces experienced by the structure. This may lead to different results than the one obtained from the old code (2015 version) that presently exists in STAAD Pro CONNECT Edition. Kindly implement the same.
Thank you for posting this idea. Providing a method for determining the loading as per the current edition of the IS 1893 is certainly a solution we will be providing in an upcoming release.