Amaravati, July 20 (IANS) Andhra Pradesh on Tuesday extended the existing coronavirus curfew restrictions for another week.All commercial establishments should shut down by 9 p.m. and curfew restrictions will begin from 10 p.m., lasting for eight hours till 6 a.m.However, there will be no restrictions from 6 a.m. to 10 p.m. and all business activities can be carried out during these relaxed hours.The state government issued a statement to this effect.The southern state is witnessing a lower number of infections on a daily basis. On Tuesday, there were 2,498 Covid cases.The state's overall Covid tally rose to 19.4 lakh, even as its active caseload dropped to 23,843. --IANS sth/kr