The Research Foundation for Microbial Diseases began the rollout of the world's first chickenpox vaccine in 1986 as the only varicella vaccine approved by the World Health Organisation.
Additional Secretary under the Ministry of Jal Shakti, G Asok Kumar was appointed as the new Director-General of the National Mission for Clean Ganga (NMCG) under the Ministry of Jal Shakti.
The Indian Olympic Association (IOA) has appointed its senior vice-president Rakesh Anand as Chef de Mission for the Birmingham 2022 Commonwealth Games.
International Cricket Council (ICC) announced new playing conditions for T20I. Under the new playing conditions, the fielding team will have to suffer the in-match penalty for slow over rates.
International Day of Commemoration in memory of the victims of the Holocaust (International Holocaust Remembrance Day) is observed on 27 January every year since 2006.
England skipper Heather Knight won the ICC Women's Player of the Month award, beating off competition from Sri Lanka captain Chamari Athapaththu and West Indies cricketer Deandra Dottin.
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