There were three accidents in less than two weeks at various construction sites of the Delhi Metro.

Shankar called for unique identification professional cards for skilled labourers.

The conference emphasised the need to create better infrastructure and said giving tax holidays would not help industries.

'We need concrete policy for industrial development for attracting new investments. Tax holiday does not help the industry in a long run,' said Satish Bagrodia, president of the PHD Chambers of Commerce and Industry.