| The former Attorney-General of India and Padma Vibhushan recipient who passed away on 30 April 2021 at the age of 91 years | Shri Soli Sorabjee |
| The Padma Bhushan recipient Indian classical vocalist who passed away on 25 April 2021 | Pt Rajan Mishra |
| The veteran music composer of Nadeem-Shravan duo who passed away on 22 April 2021 | Shravan Rathod |
| The Indian chess player from Tamil Nadu who has become 68th Indian Chess Grandmaster | Arjun Kalyan |
| The 19th edition of the Indian French Nvay bilateral exercise scheduled to be conducted in the Arabian Sea from 25 to 27 April 2021 is named | VARUNA 2021 |
| The motto of Mission Aahaar Kranti jointly launched by Vijnana Bharati (Vibha), ‘Global Indian Scientists and Technocrats’ Forum (GIST), Vigyan Prasar, and Pravasi Bharatiya Academic and Scientific Sampark (PRABHASS) | Uttam Aahaar-Uttam Vichaar |
| The new Chief Election Commissioner of India who has been appointed to take over from Shri Sunil Arora with effect from 13.04.2021 | Shri Sushil Chandra |
| The state which has appointed film star Sonu Sood as its Covid-19 vaccine ambassador | Punjab |
| The municipal corporation which has become the first in the country to issue and list Municipal Green Bonds | Ghaziabad Nagar Nigam |
| The Indian State which has become the first in the country to launch a cashless medical insurance scheme worth Rs. 5 lakh to each family of the state | Rajasthan |
| The Supreme Court Judge who has been appointed as the next Chief Justice of India from 24 April 2021 | Justice Nuthalapati Venkata Ramana |
| The theme of International Children's Book Day being observed on 02 April 2021 | Music of Words |
| The Marathi novelist who has been chosen for 2020 Saraswati Samman for his novel Sanatan, by KK Birla Foundation | Sharankumar Limbale |
| The multi-latarel maritime exercise being conducted from 05 to 07 April 2021 by Indian Navy, French Navy (FN), Royal Australian Navy (RAN), Japan Maritime Self Defence Force (JMSDF) and United States Navy (USN) in Eastern Indian Ocean Region is named | La Perouse |
| The multinational military exercise held in Bangladesh from 04 to 12.04.21 to commemorate the birth centenary of Bangabandhu Sheikh Mujibar Rahman and mark glorious 50 years of liberation with participation of India, Royal Bhutan, Sri Lankan and Bangladesh army was named | Shantir Ogroshena 2021 |
| The veteran film star from Tamil Nadu who has been chosen for the Dada Saheb Phalke award (for 2019) | Rajinikanth |
Best Picture- Nomadland directed by Chloe Zhao
Best Director - Chloe Zhao for Nomadland
Best Actor - Anthony Hopkins for The Father
Best Actress - Frances Mcdormand for Nomadland
Best Animated Film - Soul
Best International Feature Film - Another Round (Danish) directed by Thomas Vinterberg
Most nominations - Mank (10)
Indian entry in the International Feature Film category - Jallikattu (Malayalam) (Not nominated)
Released by The Economist Intelligence Unit
| Rank | Country | Rank | Country |
|---|---|---|---|
| 1. | Sweden | 39. | China |
| 2. | United States | 49. | India |
| 3. | Spain | 77. | Sri Lanka |
| 4. | Australia | 82. | Bangladesh |
| 5. | Hong Kong | 90. | Pakistan |
Released by World Economic Forum
| Rank | Country | Rank | Country |
|---|---|---|---|
| 1. | Iceland | 107. | China |
| 2. | Finland | 116. | Sri Lanka |
| 3. | Norway | 140. | India |
| 4. | New Zealand | 147. | Bangladesh |
| 5. | Sweden | 153. | Pakistan |
Note: India was ranked at 112 in 2020
Theme: Recognise the Genius in Me
Designated by: UN General Assembly
First Observed in: 2008
Designated by: United Nations General Assembly
Theme: Persevarance, Partnership and Progress
First Observed in: 2006
Designated by: United Nations General Assembly
First Observed in: 2014
Designated by: World Health Organisation
Theme: Building a fairer, healthier world for everyone
First Observed in: 1950
<-h4 style="color:#CC0000">International Day of Human Space Flight: 12 April 2021Designated by: UN General Assembly
First Observed in: 2011
Designated by: World Federation of Haemophilia
Theme: Adapting to Change, Sustaining Care in a New World
First Observed in: 1989
Designated by: UNESCO
Theme: Complex Pasts: Diverse Futures
First Observed in: 1983
Designated by: UN General Assembly
Theme: Restore our Earth
First Observed in: 2010
Note: Earth Day was first observed in 1970 in the United States and it went global in 1990. The same day was adopted by the UN in 2009 as the International Mother Earth Day.
Designated by: UN Dept of Public Information
First Observed in: 2010
Significance: Birthday of William Shakespeare
Designated by: World Health Organisation
First Observed in: 2007
Theme: Reaching the Zero malaria target
Designated by: World Intellectual Property Organisation
First Observed in: 2000
Theme: IP and SMEs: Taking your ideas to market
Designated by: International Labour Organisation
First Observed in: 2003
Theme: Anticipate, prepare and respond to crises: Invest now in resilient occupational safety and health systems
Released by Reporters without Borders
| Rank | Country | Rank | Country |
|---|---|---|---|
| 1. | Norway | 106. | Nepal |
| 2. | Finland | 142. | India |
| 3. | Sweden | 145. | Pakistan |
| 4. | Denmark | 152. | Bangladesh |
| 5. | Costa Rica | 177. | China |
Announced in Wisden Cricketers' Almanack 2021
1970s : Vivian Richards (West Indies)
1980s : Kapil Dev (India)
1990s : Sachin Tendulkar (India)
2000s : M Muralitharan (Sri Lanka)
2010s : Virat Kohli (India)
Manohar Parriker: Brilliant Mind, Simple Life by Nitin Gokhale
Believe - What Life and Cricket Taught Me by Suresh Raina
SARTHAQ: Students' and Teachers' Holistic Advancement through Quality Education