Every year, Pi Day is celebrated on March 14 to commemorate the mostly used constant PI.

• Pi is an important symbol in Mathematics, Statistics and Physics. It is the ratio of the circumference of the circle to the diameter. The ratio is a constant of 3.14 PI.
• Pi Day falls on March 14. When the date is written in the format of month and date, it matches the first three digits of the Pi value. 
• The constant value of Pi was first calculated by Mathematician Archimedes of Syracuse. 

B Sairam is the new Chairman and Managing Director (CMD) of Northern Coalfields Limited (NCL), the Singrauli-based flagship Subsidiary of Coal India Limited. He has assumed the charge for the post on Wednesday( 13 March, 2024).

• Sairam has a vast reservoir of knowledge and experience spanned over 33 years of dedicated service in the coal sector.
• A distinguished graduate mining engineer from NIT Raipur, Sairam has traversed various domains within the coal industry, including mine operations, planning, logistics, and regulatory affairs.
• His commitment to excellence and innovation has been further augmented by his academic pursuits, notably a rigorous 15-month full-time residential PGDM in Energy Management at NTPC School of Business Delhi.
• During this program, he underwent a transformative 15-day immersion program at Nanyang Business School, Singapore, enriching his understanding of global energy dynamics.

Mumbai have beaten Vidarbha by 169 runs in the final of the 2023/24 Ranji Trophy, winning the tournament for a record 42nd time.

• Vidarbha started day five at 248-5, chasing a huge total of 538. Captain Akshay Wadkar showed stoic resistance along with Harsh Dubey as the pair batted out the first session without losing a wicket.
• However, soon after Wadkar reached his hundred in the second session, the Vidarbha lower order collapsed.
• Musheer Khan is the PLAYER OF THE MATCH for his exceptional hundred and crucial wickets.

World consumer rights day celebrated on 15 March every year to support consumer rights.

• This day emphasizes the need for transparency regarding the quantity, quality, and price of goods, as well as the significance of safeguarding consumer rights.
• World Consumer Rights Day serves as a platform to educate and empower consumers about their rights and responsibilities, while also advocating for fair and ethical business practices worldwide.
• Consumers International, the global voice for consumers, has chosen the theme 'Fair and responsible AI for consumers' for this year's World Consumer Rights Day.

SpaceX's Starship rocket, designed to eventually send astronauts to the moon and beyond, completed nearly an entire test flight to space on its third try but was destroyed during its return to Earth after making it farther than ever before.

• During a live webcast of the flight, SpaceX commentators said mission control lost communications with the spacecraft during its atmospheric re-entry at hypersonic speed.
• The vehicle was nearing a planned splashdown in the Indian Ocean about an hour after launch from south Texas.
• A few minutes later, SpaceX confirmed that the spacecraft had been "lost," presumably either burning up or coming apart during re-entry or crashing into the sea.