Is online IAS coaching the right solutions to IAS/civil services exam preparation during Covid-19 pandemic? Rau’s IAS have published this blog on its blog section and its very helpful for clear your doubt.
https://www.thehindu.com/brandhub/is-online-ias-coaching-the-right-solution-to-iascivil-services-
exam-preparation-during-covid-19-pandemic/article31913224.ece