The company had increased the number of units which went for 'flash sale' on e-commerce major Flipkart from 40,000 to 60,000.

"Today's sale: went out of stock in 5.2 seconds," company's Manu Kumar Jain said on Twitter.

“Yes, 20,000 more! We can’t provide a huge amount of Mi phones for all of you in a short span of time but we do hope you know that we are gradually increasing the numbers,” the company had written in a Facebook post.

Xiaomi sold 40,000 units of Redmi 1S in the third ‘Flash Sale’ of its new smartphone via Flipkart on September 16.

The Redmi 1S is the first phone of the Redmi family made available in India. It offers the best quality and user experience and at a very affordable price point. The device offers a great 720p HD screen, an 8MP camera that delivers superfine quality images, great battery life and a range of software features.
The dual SIM Redmi 1S features a 4.7-inch display, 1.6 GHz quad-core processor, 1GB RAM, 8GB internal memory (expandable upto 64 GB), 8MP rear camera and 1.6MP front camera.
Touted as the 'Apple' of China, Xiaomi is one of the latest entrants in the multi-billion Indian smartphone market, following other Chinese firms like Oppo and Gionee.
India is the fastest growing smartphone market globally with research firms like IDC pegging the growth here in double and triple digits.
According to IDC data, the smartphone market in India grew 84 percent in the April-June 2014 quarter to  18.42 million units from 10.02 million units in the year-ago period.
Samsung dominated the market with 29 percent share, followed by Micromax 18 percent, Karbonn 8 percent and Lava six percent in Q2 2014.