Muhammadu Buhari was re-elected as the president of which of the following country?

Bombay Stock Exchange (BSE), Asia's oldest bourse, is to snap ties with S&P Dow Jones. BSE plans to develop indices through its in-house development team. S&P Dow Jones manages and operates the benchmark Sensex. The two entities had announced a joint venture (JV) named Asia Index in 2013. The JV is to provide an array of indices enabling global and domestic investors to participate in South Asia's vibrant economies.

The two-day Ministerial meeting of the World Trade Organisation began in New Delhi on May 13, 2019. The meeting will conclude on May 14. The participants include ministers from 16 developing nations and six least developed nations.

Integrated Coach Factory (ICF), Chennai beat South Central Railway, Hyderabad by penalty shootout of 7-5, in the final to bag the second Marshal of the Indian Air Force Arjan Singh Memorial International hockey tournament at the Astro Turf Hockey Ground at Air Force in Chandigarh. All total 31 matches were played, 202 goals were scored and a total of 16 teams participated in the Arjan Singh Memorial International hockey tournament including the Air Force teams from Bangladesh and Sri Lanka.

Government is in the process to introduce Digiyatra facility to enhance the experience of air passengers. It will be one among the Digital India programme that is coordinated by the Ministry of Civil Aviation. The aim is to reduce the queues at airports and bring efficiency to the boarding process. It is to place Indian Aviation amongst the most innovative aviation networks in the world. In this facility, the image of the passenger will be captured as he/she enters the airport, and then the passenger will be able to go through the full lifecycle of the travel in a hassle-free manner. To access this facility one needs to enrol into DigiYatra program through AirSewa app. The DigiYatra programme will be launched at airports in Bengaluru, Hyderabad, Kolkata, Varanasi and Vijayawada.

The European Union regulators have slapped Alphabet-owned Google with a record 4.34 billion euro ($5 billion) antitrust fine for abusing the dominance of its Android mobile operating system. According to the EU, Google's parent company has unfairly favoured its own services by forcing smartphone makers to pre-install Google apps Chrome and Search in a bundle with its app store, Play.

The 33rd edition of India-Indonesia coordinated patrol (IND-INDO CORPAT) was inaugurated at Port Blair, Andaman & Nicobar Islands. The IND-INDO CORPAT 2019 is held from 19 Mar to 04Apr 2019. Navies of both countries have been carrying out coordinated patrolling twice a year since 2002 in an effort to keep the Indian Ocean region (IOR) safe and secure for commercial shipping and international trade. It also enhances mutual understanding and interoperability between the two navies. IND-INDO CORPAT 2019 from the Indonesian Side Naval Ship, KRI Sultan Thaha Syaifuddin and Maritime Patrol Aircraft CN-235 are taking part. Commodore Ashutosh Ridhorkar, Naval Component Commander, Andaman and Nicobar Command is leading the Indian side.

Gurugram-based health and fitness products platform HealthKart is raising about ?173 crore from Belgium-based Advent Management, Entrackr revealed. It has raised around ?346 crore worth preference and equity capital since July last year.

A regular river cruise will start between Kolkata, India and Dhaka, Bangladesh for the first time in the history of the two countries. The Indian ship, R V Bengal Ganga, will start its journey from a west Kolkata jetty. About 60 persons will be travelling. The return journey will take nearly two weeks from Kolkata and the ship will pass through Sunderbans on both sides of the marine border. Another ship will simultaneously start from Bangladesh, traverse the same route and reach Kolkata, taking approximately the same time. The border formalities will be completed at Sunderbans on the Indian side.

The 3-day Military Literature Festival (MLF) 2018, commenced at Lake Club in Chandigarh. The festival is a joint initiative of Punjab Chief Minister Captain Amarinder Sing, Punjab Governor VP Singh Badnore and The Western Command, Indian Army. First session on 'Role of Cross Border Operations & Surgical Strikes', Second session on the 'Contribution of India towards the First World War', Third session was on sessions 'Two Battles For Survival - Ferozshah 1848 and Chilianwala 1849', and 'Indian Cavalry Charges of the First World War and the Gallipoli Campaign'.

After 36 years of service, Indian Navy's frontline missile destroyer, INS Ranjit has been decommissioned at the naval dockyard in Visakhapatnam. INS Ranjit's motto was 'Sada Rane Jayate' or 'Ever Victorious in Battle'. The ship was constructed as 'Yard 2203' in the 61 Communards shipyard in the town of Nikolev, Ukraine, where the ship was given its Russian name, "Lovkly" which means "Agile". The solemn decommissioning ceremony was attended by workforce who have served INS Ranjit onboard, officers and sailors from the commissioning crew.