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IIT-Guwahati develops tech to generate green energy by treating wastewater

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The Indian Institute of Technology Guwahati (IIT-G) has developed a bio-electrochemical device, Microbial Fuel Cell (MFC) that can generate green energy by treating wastewater.

The IIT-G sources on Wednesday said that the use of organic material such as waste water in MFC makes it an eco-friendly device that offers a dual benefit of bioelectricity generation and waste management.

The research, supported by a grant from the Department of Science and Technology (DST) of the Central government, was
led by Prof. Mihir Kumar Purkait, along with his PhD student Mukesh Sharma of the Department of Chemical Engineering.

The bio-electrochemical device converts chemical energy contained in organic substrates into electrical energy through microbes, a statement of the institute said.

The conducted study reveals that the prepared CEMs are cheaper and perform better as compared to the several reported membranes, assisting in the separation of charges and potential development, Purkait said.

Rapid population growth has led to rising energy demands and environmental concerns, necessitating the development of renewable and sustainable energy production techniques.

The statement said that along with several renewable energy sources (solar energy, wind energy, tidal energy, and geothermal energy, among others), the sustainable energy sources also include the ‘Blue Energy’ sources of energy harvesting and these sources of energy have no negative impact on the environment.

Commending the work of the research team, Prof T. G. Sitharam, Director IIT-G said that this development has provided an excellent sustainable energy source along with treating several wastewaters.

“After scaling the process, it can be used as a source of clean energy using municipal wastewater and other such areas economically,” he said.

The waste sugarcane bagasse has also been used in the study to improve the membrane performance, thereby preparing a valuable product from the agricultural waste.

Business

Sensex, Nifty open flat with positive bias amid global optimism

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Mumbai, Oct 9: Indian stock markets opened flat but with a slight positive tone on Thursday, taking cues from upbeat global trends.

At the opening bell, the Sensex was up 17 points, or 0.02 per cent, at 81,791, while the Nifty gained 17 points, or 0.07 per cent, to trade at 25,063.

“From a technical standpoint for Nifty, a sustained move above 25,150 could open the door for an upside toward 25,200–25,250,” analysts said.

“On the downside, immediate support is placed around 24,950–24,900, which may serve as potential accumulation zones for long positions,” they added.

“Overall, the index is expected to remain range-bound between 24,900 and 25,200 in the near term,” experts mentioned.

Broader markets also saw some strength, with the Nifty MidCap index rising 0.3 per cent and the Nifty SmallCap index advancing 0.21 per cent.

On the institutional front, Foreign Institutional Investors (FIIs) extended their buying streak for the second consecutive session on October 8, purchasing equities worth Rs 81 crore, while Domestic Institutional Investors (DIIs) bought equities worth Rs 329 crore on the same day.

Asian markets traded higher after the S&P 500 and Nasdaq Composite hit record closing highs overnight on Wall Street.

Investor sentiment also improved after US President Donald Trump announced that Israel and Hamas had agreed to the first phase of a US-brokered peace plan to pause fighting in Gaza and allow the release of hostages and prisoners.

According to experts, traders remained cautiously optimistic, tracking global cues and geopolitical developments.

“The results season starting today will be keenly watched by the market. IT stocks have witnessed some recovery from the bottom, but the headwinds for the segment continue to be strong,” market experts said.

“Banking stocks have largely remained range bound on muted earnings expectations. The NIM pressure and rising delinquencies in the unsecured loan segments will weigh on banking results generally. So, watch out for the out-performers in the segment,” they added.

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Business

India, Japan can diversify trade basket, open new frontiers with renewed efforts: PM Modi

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Tokyo, Aug 29: Hailing the robust India-Japan economic and trade partnership, Prime Minister Narendra Modi on Friday said with renewed efforts, both nations can diversify their trade basket, make it more balanced, and open up new frontiers as well.

In an interview with Japanese newspaper The Yomiuri Shimbun, the Prime Minister said we must aim bigger and remain ambitious.

“The synergies across governments, businesses and people can create scale and speed in our economic partnership. As the world’s leading economies, we have been contributing to each other’s growth, competitiveness and dynamism,” PM Modi told the publication.

Japan has been a trusted partner in India’s infrastructure development across generations. The country has also been a leading source of foreign direct investment (FDI) for India in key sectors, including automobiles, electronics, telecom, chemicals, finance, and pharmaceuticals.

According to PM Modi, the number of Japanese firms in India has grown steadily to around 1,500, while more than 400 Indian companies operate in Japan.

“Clearly, this is only the beginning — the real potential is much higher,” he noted.

“We maintain important trade relations, but it has not yet reached the levels envisaged under our CEPA (Comprehensive Economic Partnership Agreement)… The 20th century saw Japan emerge as a major partner in India’s infrastructure development. I am confident that the 21st century will see Japan as a major partner in India’s innovation, manufacturing, and global value chains,” the Prime Minister emphasised.

On semiconductors, PM Modi told the publication that India’s semiconductor sector is on the cusp of transformation.

“We have put in place a comprehensive regulatory and policy framework, backed by incentives, to build a strong semiconductor and display ecosystem. Already, six semiconductor units are taking root in India, with four more on the way. By the end of this very year, ‘Made in India’ chips will be in the market, a clear demonstration of India’s design and manufacturing capabilities,” the Prime Minister said.

Japanese companies, with their technological strengths and global leadership, can play a pivotal role in this journey, he said, adding that a strong beginning has already been made.

“By combining India’s scale and capabilities with Japan’s advanced technologies, we can build a resilient and trusted semiconductor value chain,” PM Modi stressed, adding that this collaboration will support the technological ambitions of both our countries and enhance global supply chain security.

“I see semiconductor cooperation emerging as a major pillar of the India–Japan partnership. After all, in this digital century, chips are not just about computers, they are about competitiveness, credibility and confidence in the future,” he mentioned.

Some Japanese companies are positioning their production bases in India as hubs for third-country markets such as Africa.

According to PM Modi, India has seen multi-faceted reforms which make manufacturing in India easier than ever before.

“We have removed compliance burdens, rolled out incentives and ensured a large skilled workforce for companies to set base in India. Many global companies, including those from Japan, are setting up their production in India not only to cater to our domestic market, but also for the world,” he highlighted in his response.

Japanese automaker Suzuki Motor Corporation this week announced it will invest Rs 70,000 crore in India over the next five to six years. The investment will be used to increase production, introduce new car models, and protect its leadership position in the world’s third-largest automobile market.

“Just a couple of days back, I was at the Suzuki plant in India where we flagged off electric vehicles to be exported to a hundred countries, including Japan,” said PM Modi.

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Business

Indian equity indices decline sharply over US tariff concerns

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Mumbai, Aug 28 : The Indian equity indices fell sharply to end the session nearly one per cent lower on Thursday — a day after the 50 per cent US tariffs on Indian goods came into effect.

Sensex ended the session at 80,080.57, down 705 points or 0.87 per cent. The 30-share index started the session in negative territory at 80,754 against last session’s closing of 80,786.54 amid selling across the sectors. The Index further extended the losing momentum to hit an intra-day low at 80,013.02 following the implementation of US tariffs on Indian goods.

Nifty settled at 24,500.90, down 211.15 points or 0.85 per cent.

“Domestic equities ended lower as pessimism took hold following the implementation of tariffs on Indian goods, dampening investor sentiments. While the cotton import duty exemption briefly lifted hopes of policy support to counter tariff impacts, triggering a short-lived intraday recovery, investor mood remained fragile, with large caps declining and mid and small caps underperforming amid risk-off sentiment,” said Vinod Nair, Head of Research, Geojit Investments Limited.

Most sectors, including Auto, IT, FMCG, and Metals, traded in the red as investors turned to profit-booking from recent gains, while consumer durables outperformed, likely supported by GST rationalisation and expectations of festive demand, Nair added.

HCL Tech, TCS, Power Grid, Infosys, Hindustan Unilever, HDFC Bank, ICICI Bank, Bharati Airtel, Mahindra and Mahindra, Trent, Tata Motors, Sun Pharma, NTPC, BEL, Eternal and SBI were the top losers from the Sensex pack. While Titan, L&T, Maruti Suzuki, and Axis Bank were top gainers.

The majority of sectoral indices settled in negative territory amid selling pressure. Nifty Fin Services dropped 312.30 points or 1.20 per cent, Nifty Bank fell 630.10 points or 1.16 per cent, Nifty Auto declined 136.80 points or 0.54 per cent, Nifty FMCG closed 574.05 points or 1.02 per cent, and Nifty IT slipped 574.45 points or 1.59 per cent.

Broader indices followed suit as well. Nifty Small Cap 100 dipped 254.25 points or 1.45 per cent, Nifty Midcap 100 fell 718.70 per cent or 1.45 per cent, and Nifty 100 closed 235 points or 0.93 per cent lower.

Rupee traded weakly as selling pressure in capital markets deepened, with FII flows continuing to remain negative amid persistent concerns on India’s growth outlook and fiscal deficit.

“The imposition of a 50 per cent US tariff has raised uncertainty over exports, weighing on overall sentiment, until there is clarity on alternatives either through negotiations with the US or by striking trade agreements with other nations — investors are likely to stay cautious,” said Jateen Trivedi of LKP Securities.

The rupee is expected to remain under pressure with a near-term range of 87.25–88.25, he added.

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