1. The World Wildlife Fund for Nature (WWF) is observing the 10th anniversary of 'Earth Hour' today i.e. 25 March,2017.
2. After making Aadhaar mandatory for filing income tax returns and applying for a Permanent Account Number (PAN), the government has moved to make Aadhaar-based e-KYC (know your customer) mandatory for mobile phone connections.
3. The External Affairs Ministry and the department of posts announced the opening of a Post Office Passport Seva Kendra (POPSK) at Nellore in Andhra Pradesh.
4. The country’s sole aircraft carrier INS Vikramaditya successfully carried out the maiden test of the newly installed Barak short-range surface-to-air missile (SAM).
5. State Bank of India (SBI) Chairperson Arundhati Bhattacharya has been ranked 26th among the world's 50 greatest leaders, according to Fortune Magazine.
6. The 105th session of Indian Science Congress (ISC) will be hosted by Osmania University, Hyderabad during January 3-7, 2018.
7. Indian spinner Ravichandran Ashwin has broken the record for most wickets in a single Test season, taking his 79th this season during the Dharamsala Test against Australia.