The 17th National Children’s Science Congress 2009 begins in Ahmedabad from today. The Vice President Mohd. Hamid Ansari will inaugurate the five-day national academic event at Gujarat Science City in Ahmedabad. AIR Correspondent reports that the theme of the National Children Science Congress is ‘Planet Earth- Our Home: Explore, Care and Share.<br/><br/>About 800 child-scientists in the age group of 10 to 17 from across the country will take part in this annual event.<br/><br/><br/>