The company made the announcement during trading hours today, 1 April 2013.
Meanwhile, the S&P BSE Sensex was up 20.08 points or 0.11% at 18,855.85.
On BSE, 78,000 shares were traded in the counter as against average daily volume of 6.59 lakh shares in the past one quarter.
The stock hit a high of Rs 144.80 and a low of Rs 142 so far during the day. The stock had hit a 52-week high of Rs 175.35 on 12 September 2012. The stock had hit a 52-week low of Rs 136.10 on 21 March 2013.
The stock had underperformed the market over the past one month till 28 March 2013, sliding 5.8% compared with the Sensex's 0.14% fall. The scrip had also underperformed the market in past one quarter, declining 9.18% as against Sensex's 3.13% fall.
The large-cap company has equity capital of Rs 8245.46 crore. Face value per share is Rs 10.
NTPC said that with the commissioning of Unit-II of 500 MW of Mouda Super Thermal Power Project, Stage-I, the total installed capacity of Mouda Super Thermal Power Project has become 1,000 MW.
NTPC also said that the 5 megawatts (MW) Dadri Solar PV Power Station is declared for commercial operation on 30 March 2013. This is the first non-conventional energy project of NTPC, thereby marking the company's foray into generation of renewable energy. With this the total commercial capacity of NTPC has become 34,815 MW and the total commissioned capacity of NTPC Group becomes 41,179 MW.
NTPC's net profit rose 21.9% to Rs 2596.76 crore on 2.9% growth in net sales to Rs 15774.91 crore in Q3 December 2012 over Q3 December 2011.
NTPC, India's largest power company, has presence in the entire value chain of power generation business. The Government of India (GoI) holds 75% stake in NTPC (as per the shareholding pattern as on 15 February 2013).