Indian Railways tested 'Kavach', an automatic train collision protection system by making two trains hurtle towards each other at full speed today, one with the Railways Minister Ashwini Vaishnaw and another with Railway Board chairman on board.
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.
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