Under the 'Red Light On, Gaadi Off' initiative, people will be encouraged to switch the engines of their vehicles off while waiting at traffic signals.
Delhi-NCR is the only Indian city to have made it to the top 10 list with riders taking more than one million rides each week.
In the last seven days, the district has reported 954 positive cases and in many cases, patients had to wait for over six hours for ambulances to get shifted to hospitals.
A senior company official noted that the reductions are part of the previously announced global job cuts this month.
Both Ola and Uber have temporarily suspended their shared ride service to check the spread of the deadly virus which has killed over 11,000 people globally.
With many IT employees availing the work-from-home option, these operators have reportedly witnessed a 30 per cent slump in their cab bookings.