Registration for the 3G version of Redmi Note had begun on December 2 and will continue till December 8 midnight, with the sale starting at 2 pm on December 9, 2014.

In the maiden flash sale, Xiaomi sold its 50,000 units of Redmi Note in just six seconds. The company had offered 50,000 devices on sale priced at Rs 8,999.

Xiaomi's global VP Hugo Barra took to Twitter to announce Redmi Note was sold out in seconds on e-commerce portal, Flipkart. "Mi India: Redmi Note out of stock in 6 secs today! @Flipkart @MiIndiaOfficial ," tweeted Barra.

The phone sports a large 5.5-inch 720P screen, an MediaTek octa-core processor clocked at 1.7GHz, 2GB of RAM and 8GB of internal memory.

The memory is expandable using a microSD card, and it also has dual-SIM support compatible with both GSM and WCDMA networks.

The phone has a 3,200mAh battery, a 13-megapixel rear camera and a 5-megapixel front camera. It runs on an older version of Android - 4.2 Jelly Bean. Other features of the phone include Wi-Fi, and Bluetooth.

Xiaomi is also working on another model of the Redmi Note which will be powered by a quad-core Qualcomm processor with support LTE networks in the country is likely to be priced at Rs 9,999.