After opening the day on a positive note, Indian share markets gained momentum as the session progressed and ended on firm footing.The Indian stock market indices witnessed a sharp rally on Thursday, with the benchmark Nifty 50 surging above the 22,400 level, amid cautiously positive global market cues. The market rally was led by across-the-board gains as all the sectoral indices traded in the green.At the closing bell, the BSE Sensex stood higher by 639 points (up 0.9%).Meanwhile, the NSE Nifty closed higher by 203 points (up 0.9%).Grasim Industries, Eicher Motors, and Bajaj Finance were among the top gainers today.Axis Bank, Tech Mahindra, and Britannia on the other hand, were among the top losers today.The GIFT Nifty was trading at 22,477, up by 296 points, at the time of writing.The BSE MidCap index ended 0.6% higher and the BSE SmallCap index ended 0.3% higher.Sectoral indices are trading on positive now, with stocks in the metal sector, power sector, and capital goods sector witnessing the most buying.Shares of L&T, Info Edge, and ABB India hit their respective 52-week highs today.The rupee is trading at 83.4 against the US$.Gold prices for the latest contract on MCX are trading 0.3% higher at Rs 67,144 per 10 grams.Meanwhile, silver prices were trading 0.2% lower at Rs 74,506 per 1 kg.Here are three reasons why Indian Markets are rising today#1 FII FlowForeign Institutional Investors (FIIs) continued to show their strong buying interest in the Indian stock market, indicating positive sentiment. FIIs net bought shares worth Rs 21.7 bn, while Domestic Institutional Investors (DIIs) purchased stocks worth Rs 11.9 bn on 27 March, provisional data from the NSE showed.#2 Upbeat Global MarketsUpward momentum in global peers supported the rally in domestic equity markets. The US stock market indices ended higher on Wednesday, with the S&P 500 setting a closing record.The Dow Jones Industrial Average rallied 1.2%, to 39,760.08, while the S&P 500 jumped 0.9%, to 5,248.49. The Nasdaq Composite ended 0.5%, higher at 16,399.52.#3 Buying in HeavyweightsRally in index heavyweights such as Bajaj Finance, Bajaj Finserv, Grasim Industries, Mahindra & Mahindra, and ICICI Bank, among others lifted the Nifty 50 above the 22,300 level. Among Nifty 50 constituents, 48 stocks advanced, while only 2 stocks were trading in the red.
 Why Tata Elxsi Share Price is RisingIn news from the software sector, shares of Tata Elxsi gained 1.4% on 28 March after it forged a partnership with Germany-based Dräger to advance critical care innovation in India.Tata Elxsi and Dräger, a global leader in medical and safety technology,announced a collaboration to advance critical care innovation in India.As part of this collaboration, Dräger is expanding its research and development presence by establishing a new Offshore Development Center (ODC) at Tata Elxsi’s facility in Pune.The development center will unite talent from both organizations, dedicated to designing and developing innovative critical care medical devices for deployment in the Operation Theatre (OT) environment worldwide.This central hub will oversee all aspects of critical care product development, from conceptualization to product design, prototyping, and testing.
 Why Tata Investment Corporation’s Share Price is RisingMoving on to news from the finance sector, shares of Tata Investment hit its 5% upper limit for the second session on 28 March on a report that the conglomerate was planning several initial public offerings (IPOs) over the next two or three years.Companies whose IPOs could be in the pipeline are Tata Capital, Tata Autocomp Systems, Tata Passenger Electric Mobility, BigBasket, Tata Digital, Tata Electronics, Tata Housing, and Tata Batterie.The Tata Investment stock has gained over 46% this year, so far.Earlier this month, Tata Group company’s shares gained as investors expected Tata Sons to get listed.On 7 March shares of Tata Motors, Tata Chemicals, Rallis India, Tata Power, Nelco and Tata Investment surged up to 15% as the buzz around Tata Sons’ expected IPO got louder.However, the rally fizzled out after reports said that Tata Sons might not make its debut in the primary market.Tata Investment, a subsidiary of Tata Sons since 2008, specializes in long-term investments like equity shares.More By This Author:Sensex Today Rallies 550 Points; Nifty Tops 22,250Sensex Today Rallies 526 Points; Angel One Surges 9% Sensex Today Trades Higher; Nifty Tops 22,100