PVs sales down 10.07%; 33.52% dip in 2-wheeler units as lockdowns hit auto industry: SIAM Supply chain related production challenges continue with the lockdown restrictions in many parts of the country. In the three-wheeler category, 13,728 units were sold in April 2021 compared to 31,930 units sold in March, thereby showing a 57.01 per cent decline BusinessToday.In | May 12, 2021 | Updated 12:31 IST The auto industry has been majorly impacted due to the second wave of Covid-19 Passenger vehicle wholesale stood at 261,633 units in April 2021 compared to 2,90,939 sales recorded in March, a 10.07 per cent decline in auto sales, the SIAM (Society of Indian Automobile Manufacturers) data shows. The auto industry has been majorly impacted due to the second wave of Covid-19, which has forced auto companies to shut plants across India. A spate of lockdowns in various states across the country have impaired dealers from conducting business.