An amount of over 500 billion us dollars is required in the current plan for upgrading physical infrastructure in the country. This is essential to achieve 9 percent growth in this plan. This was stated by the Finance Minister Mr. Pranab Mukherji in written reply to the Rajya Sabha on Tuesday. He said that no targets have been set up for the next fiscal but the highest investment of over 166 billion dollars is required in Power sector.<br/> <br/><br/>