Name the world's largest oil company who talks to buy 25 percent stake in Reliance Industries' oil refineries and petrochemical complex.

Flipkart-owned PhonePe, digital payments platform having over 150 million users in India is the first company to launch a special keyboard that will allow users to do transactions easily and securely while using their Android phone. The transactions include sending and requesting money, checking account balance and inviting friends and family to explore the PhonePe platform and use cases on any phone where a keyboard is required. PhonePe's keyboard aids in money transfer as well as offers the full functionality of a keyboard. The PhonePe's keyboard can be set up in 3 steps: Open the profile section on the PhonePe app and navigate to the User profile menu. User Profile menu lies in the top left corner of the PhonePe app. The user needs to scroll down to find a new option named 'Setup PhonePe Keyboard'. click on 'Setup PhonePe Keyboard', then select and enable the PhonePe keyboard. the user then needs to click on the PhonePe logo displayed on the keyboard to begin the transactions.

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.

Tractor-manufacturer Tractors and Farm Equipment (TAFE) Ltd has signed an MoU with Petroleum Conservation Research Association (PCRA) to aid conservation of resources. Under the MoU, the association plans to jointly conduct agricultural workshops by involving TAFE's dealership network. The workshop would help spread awareness on the advantages of better maintenance and upkeep of the tractors, resulting in lesser fuel consumption and maximising productivity, among others.

Microsoft has reached a valuation of one trillion dollars for the first time after posting an increase in profits. It makes the software giant only the third publicly-traded company in history to reach the threshold after Apple and Amazon passed it in 2018. Microsoft's current valuation also means that it has again taken over Apple as the world's most valuable company.

Budget carrier Spicejet announced the signing of an initial pact for code share partnership with Gulf carrier Emirates on 22 April 2019. The partnership will allow the opening of new routes and destinations for passengers of the two airlines. Code-sharing allows an airline to book its passengers on its partner carriers and provide seamless travel to destinations where it has no presence.

SBI General Insurance launched its new product - cyber defence insurance to protect businesses from financial and reputational losses due to cyber attacks. The main focus on SMEs and mid-market businesses to larger businesses. This offers protection against the growing threat of cyber breaches like hacking attacks, identity theft, disclosure of sensitive information and business interruption. It provides IT forensic investigations, legal advice, reputational and PR management.

The Bureau of Indian Standards (BIS) has inked an MoU with the Indian Institute of Technology, Delhi (IIT-D) to collaborate in the field of standardisation and conformity assessment. The MoU was signed by IIT Delhi Director Professor V Ramgopal Rao and Director General of BIS Surina Rajan. According to the MoU, IIT Delhi will provide infrastructure support for research and development projects of relevance to standardisation and BIS will provide financial support to IIT Delhi for projects.

One97 Communications-owned Paytm Money, the wealth management arm of Paytm got approval from the Securities and Exchange Board of India (SEBI) to start offering a stock broking service such as the ability to trade in equities and cash segments, derivatives, and exchange-traded funds (ETFs) among other exchange-traded products.

The retail arm of the Mukesh Ambani-led Reliance Industries became India's first retail company to cross the Rs.1 lakh crore annual revenue.The revenue for 2018-19 is Rs. 1.3 lakh crore, which is 89% more from the previous fiscal.The company added 2,829 stores during the financial year, taking the total to 10,415 stores and the profit of pre-tax business jumped 77.1 percent to record Rs 1,923 crore.

Max Life Insurance Co Ltd has notified that it will commemorate the 6th day of each month as 'Protection Day'. The main objective of this initiative was to raise awareness on financial protection. The decision came with the Company's launch of Max Life India Protection Quotient survey conducted in collaboration with Kantar IMRB. It denoted that the extent to which the Indians feel protected from financial uncertainties is extremely low, and that level was as 35.