The International Day of Human Space Flight is being celebrated annually on April 12 to mark the anniversary of the first human space flight by Yuri Gagarin on April 12, 1961.
An Indian space tech startup Pixxel grabbed attention after it successfully launched its first fully-fledged commercial satellite called 'Shakuntala' or Pixxel TD-2.
World Heritage day is being celebrated every year on 18 April to preserve the human heritage and recognise the efforts of all the relevant organisations in the field.