New Delhi, Jan. 6 -- New Delhi: Homegrown carmakers Tata Motors, and Mahindra and Mahindra are increasingly improving the speed at which they develop products to gain market share in an intensely competitive domestic market, according to senior executives at auto component makers working with the companies.

Indian carmakers have reached parity with European, Japanese and Korean automakers and are increasingly catching up to the speed of Chinese carmakers in rolling out new products, according to top executives at US-based component major BorgWarner Inc. and homegrown auto part maker Lumax Auto Technologies Ltd.

This comes in the backdrop of Indian automobile manufacturer Mahindra and Mahindra Ltd reaching the number two rank in annual s...