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<b><font class="UCASE">March 18, 2005:</font></b> Punjab Pollution Control Board (<font class="UCASE">ppcb</font>) says no residential colony can come up within 500m of the boundary of a designated industrial area <br> <br> <b><font class="UCASE">May 6, 2005:</font></b> <font class="UCASE">D</font>istance reduced to 100m. No-objection certificates to allow residential complexes given to promoters <br>