JAYANTA BASU The chief minister at the pollution control board programme. Picture by Sanjoy Chattopadhyaya Environment minister Sailen Sarkar on Tuesday denied colleague Subhas Chakraborty's allegation that the notification on the withdrawal of 15-year-old commercial vehicles was issued keeping the transport department in the dark. "We decided to issue the order following talks with the transport minister and the transport secretary,' Sarkar said on Tuesday in the presence of chief minister Buddhadeb Bhattacharjee. The minister was speaking at a state pollution control board programme to mark