'Attack on Democracy': Biden threatens US sanctions after Myanmar military coup; Indian-American Bhavya Lal appointed acting Chief of Staff of NASA; Protesting farmers announce 3-hour nationwide 'chakka jam' on Feb 6; Maharashtra: 12 children administered sanitizer instead of polio drops at health sub-centre in Yavatmal; Coldest start of February for Delhi in the last 13 years, rain expected in the next two-three days and more...