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Only six out of India’s 22 river basins are climate resilient: IIT-Guwahati Study

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Brahmaputra River

By Umashankar Mishra

Only 6 river basins including Brahmaputra, Indus, Pennar were able to sustain their primary productivity by increasing water use efficiency during drought

New Delhi: Climate change remains a matter of concern globally. A new study by Indian researchers has shown that only 6 out of 22 river basins in the country have the potential to cope with the threat of climate change, particularly droughts.

This means nearly two-thirds of India’s terrestrial ecosystems are not resilient to drought. Central India has been found to be the most vulnerable to climate change. Parts of northwestern, northeastern and southern India appear to be resilient to cope with droughts while the rest of the country is non-resilient, says the study done by researchers at the Indian Institute of Technology, Guwahati.

“We evaluated the ecosystem resilience in terms of the capability of an ecosystem to maintain its productivity during hydroclimatic disturbances,” lead researcher Dr Manish Goyal said while speaking to India Science Wire.

“Only six river basins- Brahmaputra, Indus, Pennar, west flowing rivers of Kutch and Saurashtra including Luni basin, east flowing rivers between Krishna and Pennar basins and east flowing rivers between Pennar and Cauvery basin were able to sustain their primary productivity by increasing the water use efficiency under driest years,” Goyal said.

Researchers compared response of river basin systems to water stress at different levels such as river basins, land covers, and climate types. They have developed an ecosystem resilience map of India using high resolution remote sensing satellite data for 22 main river basins. The data productivity of a river basin and evapo-transpiration was obtained from NASA’s MODIS satellite and studied along with rainfall data from the India Meteorological Department.

Drastic reduction in water use efficiency under driest conditions was observed for some basins, which highlights their inability to cope with climate change. Low primary productivity can distort the balance of ecosystem and its resistance to fight drought. “The inability of ecosystems at different scales to tolerate water-limited conditions may pose a serious challenge in terms of crop production and food security,” Goyal added.

Only two types of forests – evergreen needle-leaf forest and evergreen broadleaf forest – were found to be resilient at land-cover scale. The presence of such forests in the Brahmaputra basin could be the reason for its resilience. However, forests in some parts of Western Ghats and central India were found more vulnerable to climate change. Ganga basin, the most populous and agriculturally important basin, was also found slightly non-resilient.

“It is clear that forests have higher resilience to withstand the climatic disturbances. The deforestation activities, in the name of economic development and expansion of agriculture, will result in making country more vulnerable to climate change”, researchers said.

The research team also included Ashutosh Sharma. The  study has appeared in journal Global Change Biology.

(This article is from an auto-generated syndicated feed provided by the India Science Wire)

India News

Lok Sabha clears bill to levy cess on pan masala and similar goods for health, security funding

The Lok Sabha has passed a bill to impose a cess on pan masala manufacturing units, aiming to create a dedicated revenue source for public health and national security initiatives.

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Nirmala Sitharaman

The Lok Sabha has approved the Health Security se National Security Cess Bill, 2025, paving the way for a new cess on pan masala manufacturing units. The legislation aims to generate dedicated funds for strengthening national security and improving public health, both areas identified as critical national priorities.

Bill aims to create predictable funding stream

Finance Minister Nirmala Sitharaman, responding to the debate before the bill was passed by voice vote, said that the cess will be shared with states because public health falls under the state list.

The new cess will be applied over and above the GST, based on production capacity and machinery used in units manufacturing pan masala and similar goods. The minister clarified that this cess will not affect GST revenue, and that pan masala already attracts the maximum GST slab of 40 per cent.

According to the bill text, the objective is to build a “dedicated and predictable resource stream” to support expenditure related to health and national security.

Sitharaman also mentioned that cess collection as a percentage of gross total revenue currently stands at 6.1 per cent, lower than the 7 per cent average between 2010 and 2014.

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Simone Tata passes away at 95: A look at the visionary who shaped Lakme and modern retail

Simone Tata, the pioneering business leader who built Lakme and helped shape India’s modern retail sector, passed away at 95. Here’s a look at her legacy.

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Ratan Tata’s stepmother and celebrated business leader Simone Tata passed away on December 5, 2025, at the age of 95. Known for her pioneering role in building Lakme and transforming India’s retail landscape, she leaves behind a remarkable legacy that redefined Indian consumer culture.

A legacy that shaped Indian business

Simone Tata, born in Geneva in 1930, first came to India at the age of 23. Two years later, in 1955, she married Naval H. Tata and gradually became an integral part of the Tata family’s business vision. Her journey with the Tata Group began in the 1960s, when she was appointed to Lakme—then under Tata Oil Mills.

Under her leadership, Lakme quickly grew into one of India’s most trusted cosmetic brands. She rose to the position of managing director and later chairperson, introducing global formulations and modernising beauty products for the Indian market. Lakme’s rise was also rooted in a strong national vision—launched on former Prime Minister Jawaharlal Nehru’s suggestion to reduce foreign exchange spent on imported makeup.

Transforming retail through Trent and Westside

After Lakme was sold to Hindustan Lever Limited in 1966, Simone moved to Trent, where she helped build one of India’s earliest modern retail chains. This later gave birth to Westside, a brand that has become synonymous with contemporary Indian shopping culture.

She also played a key role in philanthropic initiatives, guiding organisations such as the Sir Ratan Tata Institute and supporting cultural and children-focused foundations.

Family, personal life and final farewell

Simone Tata is survived by her son Noel, daughter-in-law Aloo Mistry, and grandchildren Neville, Maya and Leah. She also drew public attention in recent years for being the only member of the Tata family to attend Cyrus Mistry’s funeral, despite the widely known strained ties between the families.

Her funeral will take place on Saturday morning at the Cathedral of the Holy Name Church in Colaba, Mumbai.

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Centre orders probe into IndiGo crisis, expects normal flight operations in three days

Amid record cancellations by IndiGo, the Centre has ordered a high-level inquiry and expects flight schedules to stabilise by Saturday, with full normalcy in three days.

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indigo

The Centre has initiated a high-level inquiry into the massive disruption of IndiGo’s operations, with the government projecting that flight schedules will begin stabilising by Saturday and full normalisation is expected within three days. The announcement comes as cancellations by the airline crossed 500 for the second consecutive day, severely impacting passengers across major airports.

Civil Aviation Minister Ram Mohan Naidu said the government has directed urgent measures to ensure swift restoration of services. Within minutes of his statement, the aviation regulator DGCA announced the formation of a four-member committee to examine the circumstances leading to the delays and cancellations.

DGCA forms committee as cancellations spark scrutiny

The DGCA said IndiGo was given sufficient time to implement revised Flight Duty Time Limitations (FDTL), yet the airline recorded the highest number of cancellations in November. The regulator added that the pattern suggested gaps in the carrier’s internal oversight and preparedness, warranting an independent probe.

The committee will review the sequence of events that triggered disruptions and recommend measures to prevent a recurrence.

Flight duty rules relaxed; minister defends move

Amid criticism from the Opposition and experts, the DGCA temporarily suspended certain FDTL rules, increasing pilot duty limits from 12 to 14 hours. The changes were widely questioned, with allegations that the government was yielding to pressure from IndiGo.

Naidu defended the decision, stating the move was taken solely to safeguard passengers and that safety standards would not be compromised.
He reiterated that passenger care and convenience remain the top priority.

Assurance of refunds, real-time updates, and support

Highlighting steps taken to ease passenger distress, the minister said airlines must:

  • Provide accurate, real-time updates before travellers leave for airports
  • Initiate automatic refunds for cancelled flights without requiring follow-ups
  • Arrange hotel accommodation for passengers stranded for extended periods

Senior citizens and persons with disabilities have been accorded special priority, including access to lounges and additional assistance. Refreshments and essential services are to be provided to all affected travellers.

Inquiry to determine accountability

The government said the high-level probe will identify what went wrong at IndiGo, establish responsibility, and recommend systemic corrections to ensure such disruptions do not occur again.

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