Prime Minister Narendra Modi launched a month-long "Har Ghar Dastak" campaign for special house-to-house Covid-19 vaccination focussed on those whose second dose is overdue to accelerate the inoculation drive.
A study led by IIT Kharagpur researchers have found the presence of mineral bridgmanite, which is the most abundant mineral in the interior of the Earth, within the Katol L6 Chondrite meteorite.
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