Mumbai/Rajkot - Saurastra’s foundry industry has started feeling the pinch of increasing pig iron prices, which have have increased drastically over the last six months. “There has been six revisions in the last 12 months or so and each time the rate has only gone up. This has created problems for the foundry industry,” said Bhavesh Patel, president of Rajkot Engineering Association. In August 2007, the per…