Priced at Rs 5,999, the smartphone was put on sale for the second time on Flipkart at 2 pm on Tuesday. "Mi India: Redmi 1S out of stock in 4.5 secs today," Xiaomi Global's Vice President, Hugo Barra, said on Twitter.

Earlier, Xiaomi sold 38,000 units of Redmi 1S in just 4.2 seconds via e-commerce major Flipkart on September 2.

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.