"It shall be the duty of every citizen of india to protect and improve the natural environment."This Statement refers to which of the following Articles of the Constitution of India?
Australian state government has approved the world's biggest single tower solar thermal power plant a _______ structure to be built in South Australia by 2020.
Railway Minister Suresh Prabhu on 18th March, 2017 flagged off the first fully India-made suburban train 'Medha'. The train will save foreign exchange worth ₹32 crore per rake along with 25% saving in the manufacturing cost. It can run at a maximum speed of 105 km per hour, and has been fitted with LED lights and GPS-based passenger information system.