The National Green Tribunal today directed the Delhi government and all public authorities to strictly implement its order banning construction activity in the wake of the alarming pollution levels in the capital.<br/><br/>The green panel ordered that if any violation of its order was found at the construction sites by the inspecting teams in Delhi and the National Capital Region, an environment compensation of Rs 1 lakh would be levied for each such fault.<br/><br/>It also asked the neighbouring states to strictly prevent stubble burning, saying there were reports of large-scale residue burning from some parts.