World TB Day is being celebrated every year on 24 March annually to commemorate the date when Dr. Robert Koch announced his discovery of Mycobacterium tuberculosis, the bacillus that causes TB in 1882.
The India Space Research Organisation (ISRO) successfully completed the ground test of the solid-fuel-based booster stage (SS1) of its new Small Satellite Launch Vehicle (SSLV).
World Down Syndrome Day (WDSD) is being celebrated every year on 21 March to raise public awareness for the rights, inclusion and well being of people with Down syndrome.