As Mumbai suffers through unbearable heat wave, image the plight of people who have to travel inside the packed local train. While well-heeled Mumbaikars can travel in their air-conditioned cars and buses, the common man's agony is increased mani-fold as he or she has to bear the scorching climate in packed compartments.

The recent conversion of 9-car trains to to 12-car ones is sure to provide some respite for the 10 lakh plus commuters on Harbour line.