Auto sales fall 30% in April compared with the previous month Second wave of the coronavirus that led to states imposing restrictions cited as major reason behind slump Auto sales fell 30 per cent in April compared with the previous month because of the second wave of the coronavirus that led to states imposing restrictions. “Supply chain related production challenges continue with the lockdown restrictions in many parts of the country. The demand has been clearly impacted by the second wave of Covid-19, both in terms of low consumer sentiments and closure of dealerships due to lockdown restrictions,” Rajesh Menon, director-general of the Society of Indian Automobile Manufacturers (Siam), said.