Highlights of India Today –20th July 2020 issue: This weeks Cover Story talks about India joining the global race to produce a Covid-19 vaccine, but its candidates have to clear the safety and efficacy test first.   This weeks Big Story deals with a spate of online environmental clearances and proposed new assessment norms seeing environmental activists up in arms.   The issue also focuses on the Centre looking to reform the power sector, with better regulation and new tariff policy.