Ghaziabad Development Authority (GDA) in its ongoing drive to seal and demolish illegitimate constructions sealed 3 unauthorized constructions (Plot no. 83, 122) in Gyan Khand-1 & (Plot no. 83) Niti Khand-3. One encroachment on GDA land was also demolished (next to Plot no. 917), in Shakti Khand-4, Zone 6.