Name the Social entrepreneur from Tamil Nadu, who was ranked 45th in the Fortune magazine's 2019 list of the world's greatest leaders for inventing low cost pad making machine.

Tesla has developed its 'largest power storage system in Asia' at Osaka train station in Japan to reduce energy demand and provide emergency backup power to trains in Japan. It was Launched in partnership with Kintetsu, a railway operator in Japan's Osaka. Tesla has installed 42 Powerpacks units at Osaka train station in Japan which will provide enough amount of energy to safely move a train and its passengers for up to 30 minutes to the nearest station if any power failure happens. This 7 megawatt-hours (MWh) system is not only the largest energy storage project in Asia, but also the fourth largest in the greater Asia-Pacific (APAC) region.

Bharat Heavy Electricals Limited (BHEL) and Automotive Research Association of India (ARAI) have together signed an Memorandum of Understanding for effective cooperation on different projects related to e-mobility and implement solutions for electric & trolley bus, EV (Electric Vehicles) chargers, battery and charger testing, etc. The MoU was signed by Rashmi Urdhwareshe, Director, ARAI and Renuka Gera, BHEL. The term electro mobility refers to full and hybrid electric vehicles as well as those using hydrogen fuel cell technology. These vehicles represent electronically driven vehicles in the future. The electromobility is combined with concepts of microcontrollers and sensors that work toward providing better energy efficiency for vehicles.

The National Tourism Awards for 2016-17 were presented by Union Tourism Minister K J Alphons in New Delhi as India celebrated the 2018 World Tourism Day (WTD). Ahmedabad and Mandu were jointly declared as the 'Best Heritage City', while Qutub Minar bagged the top award in the differently-abled friendly monument category. In it, Gujarat won three major National Tourism Awards for the Best Civic Management (at Saputara Hill Station), Best Heritage City and the Best Airport-Ahmedabad. The awards were given in various segments of the travel, tourism and hospitality industry. Andhra Pradesh bagged the first prize in state category for comprehensive development of tourism and Rajasthan Tourism bagged the national award for most innovative use of Information Technology, social media and websites. Ahmedabad had been declared India's first World Heritage City by UNESCO in 2017.

The Nobel Medicine or Physiology Prize has been awarded to James P Allison and Tasaku Honjo "for their discovery of cancer therapy by inhibition of negative immune regulation". This is for the first time that no Literature Prize will be given in 70 years because of a #MeToo scandal. The Nobel Prize in Physiology or Medicine was awarded by the Nobel Assembly at Karolinska Institutet, Stockholm, Sweden.

With robust private consumption and 7.4% GDP growth rate in the current fiscal, the Indian economy is expected to accelerate at a rate of 7.6% in 2019-20, according to a report by the United Nations titled United Nation's World Economic Situation and Prospects (WESP) 2019. As per the report, the world trade growth moderated over the course of 2018 to 3.8% from growth of 5.3% in 2017.