Gujarat Chief Minister Vijay Rupani will inaugurate the 25th National Children Science Congress in Ahmedabad this afternoon. <br/><br/>The theme of the five-day Congress is 'Science and Innovation for Sustainable Development' with the special focus on persons with disabilities. <br/><br/>50 children and teachers from Asian nations will participate in the event this year. <br/><br/>Apart from science exhibition, the event will witness various activities such as hands-on demonstrations, presentations by child scientists, poster session and cultural programmes.