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ISRO launches weather satellite INSAT-3DS to monitor Earth’s surface, oceans  

The Naughty Boy has now become a mature, obedient and disciplined boy like PSLV, and GSLV as they have become a very robust vehicle for ISRO, said Tomy Joseph.

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The Indian Space Research Organisation (ISRO) on Saturday launched the INSAT-3DS mission from Satish Dhawan Space Centre in Sriharikota at 5:35 pm to monitor the Earth’s surface, observe the ocean and analyse the environment through various essential meteorological perspectives.

In its mission, the Geosynchronous Satellite Launch Vehicle (GSLV) aimed to deploy the INSAT-3DS meteorological satellite into the Geosynchronous Transfer Orbit (GTO). Subsequent orbit-raising maneuvers will ensure that the satellite is positioned in a Geo-stationary Orbit.

After being positioned in GSO, it will provide information on diverse atmospheric conditions via vertical profiles. INSAT-3DS will manage data collection and dissemination from Data Collection Platforms (DCPs). The satellite will help in search and rescue services.

Congratulating the team, ISRO Chairman S Somanath expressed his happiness over the successful accomplishment of the mission GSLV-F14 INSAT-3DS. He further said that the spacecraft has been injected into a very good orbit. The space agency has also noted that the vehicle has performed very well.

The INSAT-3DS Mission Director, Tomy Joseph sarcastically remarked, saying the Naughty Boy has now become a mature, obedient and disciplined boy like PSLV, and GSLV as they have become a very robust vehicle for ISRO.

The Geosynchronous Satellite Launch Vehicle (GSLV) is a launch vehicle with a length of 51.7 meters and a liftoff mass of 420 tonnes. It consists of three stages, the first stage (GS1) is made up of a solid propellant motor with 139-ton propellant and four earth-storable propellant stages (L40) strapons. Each strapon carries 40 tons of liquid propellant.

The second stage (GS2) is also an earth-storable propellant stage that carries 40-ton propellant, and the third stage (GS3) is a cryogenic stage with a 15-ton propellant loading of liquid oxygen (LOX) and liquid hydrogen (LH2).

To protect the satellite during the atmospheric regime, it is covered by an Ogive payload fairing. The GSLV is versatile and can be used to launch various spacecraft capable of performing communications, navigation, earth resource surveys, and other proprietary missions.

The launch of INSAT-3DS was a follow-on mission of Third Generation Meteorological Satellite from Geostationary Orbit. According to ISRO, the GSLV-F14/INSAT-3DS mission has been fully funded by the Ministry of Earth Sciences (MoES) and designed for enhanced meteorological observations and monitoring of land and ocean surfaces for weather forecasting and disaster warning.

The satellite will augment the Meteorological services along with the presently operational INSAT-3D and INSAT-3DR satellites.

Notably, the services will be used by various departments of the MoES such as the India Meteorology Department (IMD), National Centre for Medium-Range Weather Forecasting (NCMRWF), Indian Institute of Tropical Meteorology (IITM), National Institute of Ocean Technology (NIOT), Indian National Center for Ocean Information Services (INCOIS) and various other agencies.

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MK Stalin predicts frequent PM Modi visits to Tamil Nadu before assembly election

MK Stalin has said Prime Minister Narendra Modi will visit Tamil Nadu more often ahead of the Assembly election, calling the tours politically motivated and questioning the Centre’s support to the state.

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MK Stalin

Tamil Nadu Chief Minister M. K. Stalin has predicted that Prime Minister Narendra Modi will increase his visits to the state as the Assembly election, expected in April or May, draws closer.

Speaking ahead of the polls, the DMK president said the Prime Minister has already begun touring Tamil Nadu and is likely to visit frequently in the coming months. He claimed that such visits could create discomfort within the BJP-led National Democratic Alliance (NDA), as alliance partners may fear the political impact of repeated appearances.

Stalin calls visit politically motivated

The Chief Minister described the Prime Minister’s scheduled programmes in the state as “politically motivated”. PM Modi is set to attend various events in Madurai in southern Tamil Nadu, including the inauguration of the first phase of the AIIMS hospital project. He is also expected to visit the Thiruparankundram Temple amid the Karthigai Deepam-related controversy and participate in a public meeting organised by the NDA.

Stalin said he has been working for all sections of the population, including those who did not vote for his party. In contrast, he remarked that some leaders are visible in the state only during election time and increase their visits as polls approach.

Criticism over Union Budget allocations

The DMK leader also criticised the BJP-led central government, accusing it of neglecting Tamil Nadu. He pointed out that while approval was recently granted for the Gujarat Metro project, there were no major announcements or allocations for Tamil Nadu in the Union Budget.

Stalin asserted that voters would remember the lack of significant measures for the state. He framed the upcoming election as a contest between Tamil Nadu and the NDA, stating that the state should be governed from Fort St George in Chennai rather than from Delhi.

The ruling DMK is currently allied with several smaller parties and, at present, the Congress, as it seeks a third consecutive term in office. Its principal rival, the AIADMK, is aligned with the BJP as part of the NDA.

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Shashi Tharoor questions Centre over Kerala name change to Keralam

Shashi Tharoor has criticised the Centre’s decision to approve renaming Kerala as Keralam, questioning its impact and pointing to the lack of major projects for the state.

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shashi tharoor

Congress MP Shashi Tharoor has criticised the central government over its decision to approve the renaming of Kerala as ‘Keralam’, arguing that the move prioritises symbolism over development.

Reacting to the Union Cabinet’s approval, Tharoor said that the state’s name has always been ‘Keralam’ in Malayalam and questioned the practical impact of introducing the Malayalam term into English usage.

“It has already been ‘Keralam’ in Malayalam. So now, a Malayalam word is coming into English. I don’t know what difference it makes,” he said, adding that the state has not received major projects such as an AIIMS or new institutions from the Centre. He also pointed out that no significant allocations were made for Kerala in the Union Budget.

In a separate post on X, Tharoor raised what he described as a “small linguistic question” about what residents of the state would be called if the name change is implemented. Referring to existing terms such as “Keralite” and “Keralan”, he remarked that alternatives like “Keralamite” sounded like a microbe and “Keralamian” like a rare earth mineral.

The Union Cabinet, chaired by Prime Minister Narendra Modi, cleared the proposal on Tuesday. The move comes ahead of the upcoming state Assembly elections, in which 140 members of the legislative assembly are to be elected. The poll schedule is yet to be announced by the Election Commission of India.

The state assembly had earlier passed a resolution seeking the change in official records. Chief Minister Pinarayi Vijayan had moved the resolution in 2024, urging the Union government to adopt the name ‘Keralam’ in all languages listed in the Eighth Schedule of the Constitution.

He had stated that the demand for a united Kerala for Malayalam-speaking people dates back to the national freedom movement.

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Tamil Nadu potboiler: Now, Sasikala to launch new party ahead of election

Sasikala has announced the launch of a new political party ahead of the Tamil Nadu Assembly elections, positioning herself against AIADMK chief Edappadi K Palaniswami.

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In a significant political development ahead of the Tamil Nadu Assembly elections, expelled AIADMK leader V. K. Sasikala has announced that she will float a new political party and contest the polls by fielding her own candidates.

Speaking in Madurai before heading to Pasumpon for a public event, Sasikala said she would unveil her party’s flag later in the evening. She indicated that more details regarding the party’s structure and plans would be shared at the gathering.

The event venue carries political symbolism. Pasumpon is the birthplace of Thevar leader Muthuramalinga Thevar, and Sasikala herself belongs to the influential Thevar community in southern Tamil Nadu. The programme was held as part of birth anniversary events of former Chief Minister J. Jayalalithaa.

Direct challenge to EPS

Sasikala’s move is being viewed as a direct political challenge to AIADMK general secretary Edappadi K. Palaniswami (EPS). After Jayalalithaa’s death in 2016, Sasikala briefly took control of the party and had appointed Palaniswami as Chief Minister. However, following her conviction in the disproportionate assets case, she served a four-year prison term, and during that period, she was expelled from the party.

Palaniswami later aligned with O. Panneerselvam, whom Sasikala had earlier removed from the Chief Minister’s post. The two leaders subsequently adopted a dual leadership arrangement within the party and government.

Sasikala remains disqualified from contesting elections until 2027 due to her conviction. Nevertheless, she has stated that she intends to field candidates under her new party banner.

Fragmented Thevar vote base

Over the years, expulsions within the AIADMK — including Sasikala, her nephew TTV Dhinakaran and O Panneerselvam — have led to divisions within the Thevar support base. Political observers have linked this fragmentation to the party’s weakened electoral performance in the elections following Jayalalithaa’s passing.

While Dhinakaran has returned to the NDA fold, reports suggest Palaniswami is opposed to any arrangement that includes Sasikala or Panneerselvam. OPS, meanwhile, has exited the NDA.

Sasikala has repeatedly criticised Palaniswami, describing him as a betrayer, while he maintains that his leadership stems from the support of AIADMK legislators rather than her backing.

The AIADMK has not issued an official statement on Sasikala’s announcement. However, a senior party leader questioned her political standing, pointing out her disqualification from contesting elections and referring to legal issues linked to Jayalalithaa’s death.

With the Assembly polls approaching, Sasikala’s re-entry into active politics could further complicate the opposition space in Tamil Nadu and influence electoral calculations, particularly in the southern districts.

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