Toyota Motor Corp is betting on pricier premium models offering better safety and quality.
Ola competes with Uber Technologies in India.
E-commerce in India could grow to $137 billion by 2020 from $11 billion in 2013, says Morgan Stanley, and firms like Amazon, local market leader Flipkart and rival Snapdeal, backed by Japan's SoftBank, are fighting for a bigger share.
This would impact Vento, Jetta and Passat sedan cars, Polo hatchback and Polo Cross crossover in India.
Maruti's exports are limited and mainly to countries in Africa and Latin America.
Uber and Ola both welcomed the move as a step in the right direction.
The government said in a statement earlier this year that by April 1, 2017 cars sold in all Indian cities will need to meet the Bharat Stage IV norms.
Volkswagen sold about 45,000 cars in India in the year to end-March, of which about two-thirds were Polo hatchbacks
A directive this year to ban all vehicles older than 15 years has been delayed and previous city governments have often ignored court orders to address pollution woes.
MAT has damaged investor confidence
Nissan and Renault say they will compete with new models, especially small cars, and by growing their dealer network.
Ford to launch new compact car Figo Aspire in India
The automaker was found to have engaged in anti-competitive practices.
GM India has asked customers facing problems with their remote keyless entry accessory to go to their Chevrolet dealer.
Nestle now has less than two weeks to convince the regulator why product approval for its noodles should not be withdrawn
Nestle is confident of getting back Maggi on India shelves.
Tata Motors Quarteryl profit down 56 per cent on higher input cost
Car makers are trying hard to boost sales in India.
As Modi completes a year in office, his cuts in federal welfare spending on the poorest of India's 1.25 bn people are coming in for sharp criticism.
Subrata Roy has been held in jail for more than a year.