From various studied it was found that buildings with any type of irregularity gets more damage than a regular
building. Indian code provides various provisions to compensate the seismic design of irregular building. It is generally believed
that the buildings with regular shapes have a dominant fundamental mode participation during seismic response and as the
irregularity increases the contribution of higher mode increases. Accordingly, Various previous studies have proposed
methodologies to quantify vertical irregularity of the buildings in terms of their fundamental mode properties. In the present
work various models with unique type of vertical irregularities were analyzed with the help of Staad Pro. And an comparatively
stable model amongst all were find out.
