National News
ISRO Launches X-Ray Polarimeter Satellite From First Launch-Pad, SDSC-SHAR In Sriharikota
Sriharikota: India Began 2024 with PSLV rocket lifting off with XPoSat Sriharikota (Andhra Pradesh). On the first day of the calendar year 2024, India’s Polar Satellite Launch Vehicle-C58 (PSLV-C58) on Monday morning lifted off with the country’s X-ray Polarimeter Satellite (XPoSat) with 10 other payloads.
The 44.4-metre tall PSLV-C58 rocket with a lift off mass of 260 ton carrying XPoSat and 10 other experimental payloads on its fourth stage blasted off from the first launch pad at the Satish Dhawan Space Centre (SDSC) here at 9.10 a.m. Slowly rising up towards the skies with a thick orange flame at its tail, the rocket gained speed with a sound resembling rolling thunder and went up and up leaving a thick plume while the people assembled at the viewing gallery clapped their hands with pride. Interestingly, this is the first space mission for ISRO on January 1 for the Indian Space Research Organisation (ISRO).
Procedure after 21 minutes into flight of rocket
At about 21 minutes into its flight, the rocket will orbit XPoSat at an altitude of about 650 km. Subsequently, the rocket’s fourth stage will be restarted twice to reduce the orbit into a 350 km circular orbit to maintain in 3-axis stabilised mode for Orbital Platform (OP) experiments.
The PSLV Orbital Experimental Module-3 (POEM-3) experiment will be executed, meeting the objective of 10 identified payloads, supplied by the ISRO and the Indian National Space Promotion and Authorisation Centre (IN-SPACe), the Indian space agency said.
In its normal configuration, the PSLV is a four-stage/engine expendable rocket powered by solid and liquid fuels, alternatively, with six booster motors strapped onto the first stage to give higher thrust during the initial flight moments.
ISRO’s five types of rockets
The ISRO has five types of PSLV rockets — Standard, Core Alone, XL, DL, and QL. The major difference between them is the use of strap-on boosters which, in turn, largely depends on the weight of the satellites to be orbited.
The PSLV uses 6,4,2 solid rocket strap-on motors to augment the thrust provided by the first stage in PSLV-XL, QL & DL variants, respectively. However, strap-ons are not used in the core-alone version (PSLV-CA). The XPoSat is the first dedicated scientific satellite from the ISRO to carry out research in space-based polarisation measurements of X-ray emission from celestial sources. The satellite configuration is modified from the IMS-2 bus platform.
Three objectives of XPoSat
The configuration of the mainframe systems is derived based on the heritage of IRS satellites. It carries two payloads, namely POLIX (Polarimeter Instrument in X-rays) and XSPECT (X-ray Spectroscopy and Timing). The POLIX is realised by the Raman Research Institute and XSPECT is by the Space Astronomy Group of the U.R. Rao Satellite Centre (URSC).
According to the ISRO, the three objectives of XPoSat are: (a) To measure polarisation of X-rays in the energy band 8-30keV emanating from about 50 potential cosmic sources through Thomson Scattering by POLIX payload. (b) To carry out long-term spectral and temporal studies of cosmic X-ray sources in the energy band 0.8-15keV by XSPECT payload and (c) To carry out polarisation and spectroscopic measurements of X-ray emissions from cosmic sources by POLIX and XSPECT payloads, respectively, in the common energy band.
Passivation of PS4
After orbiting the XPoSat in 650km, the rocket’s fourth stage — PS4 stage — will be lowered to 350km, about 9.6 deg orbit, by restarting it twice. The left-out propellant in the PS4 will be disposed of through the main engines as a precursor to enabling the safety of the PS4 stage in atmosphere re-entry experiments planned in future. The oxidiser will be let out first followed by fuel in a predetermined sequence of operations. The existing scheme of spent stage passivation by venting the tank pressure will also be active.
Post passivation of PS4, the control of the stage is transferred to the POEM Avionics, the ISRO added. The POEM is configured as a 3-axis stabilised orbital platform for conducting experiments to space qualify systems with novel ideas. The PS4 Stage Orbital Platform Electrical power requirements are catered by a Flexible Solar Panel in conjunction with 50Ah Li-Ion battery in battery tied configuration.
Navigation process
The orbital platform consists of avionic systems to take care of navigation, guidance, control and telecommands and Orbital Platform Attitude Control System to cater to control of the platform to test the payloads, the ISRO said. The 10 payloads are from Take Me 2 Space, LBS Institute Technology for Women, K J Somaiya Institute of Technology, Inspecity Space Labs Private Ltd, Dhruva Space Private Ltd, Bellatrix Aerospace Private Ltd (two payloads) and three payloads from the ISRO.
National News
‘Respected Modi ji, please save West Bengal’ poster at PM’s Asansol rally draws attention

Kolkata, April 9: A striking visual emerged during Prime Minister Narendra Modi’s public rally in Asansol on Thursday, as a person in the crowd held up a poster appealing directly to the Prime Minister with the message, “Respected Modi ji, please save West Bengal.”
The moment came as the election campaign in West Bengal gathered momentum ahead of the upcoming Assembly polls.
The state is set to vote in two phases, scheduled for April 23 and April 29.
In the first phase, polling will take place across 152 Assembly constituencies, while the remaining 142 seats will go to the polls in the second phase.
The counting of votes is slated for May 4.
Amid loud cheers and slogans, the Prime Minister addressed a large and enthusiastic gathering in Asansol.
During his speech, attention briefly shifted to a person in the audience, who was seen holding up a poster featuring PM Modi’s portrait along with a map of West Bengal.
The poster prominently displayed the message, “Respected Modi ji, Please save West Bengal”, and also highlighted several issues faced by the public, including “Corruption, law and order, infiltration, women safety and unemployment”.
These concerns mirror the key themes on which the Bharatiya Janata Party (BJP) has been targeting the ruling Trinamool Congress government in the state.
The visual quickly stood out amid the rally, reflecting the charged political atmosphere as political parties intensify their campaigns in the run-up to the state elections.
Meanwhile, PM Modi launched a blistering attack on the Trinamool Congress government, claiming that the ruling-party-linked syndicate and mafia were looting the state’s resources and also warned that all those goons will be held accountable and answerable after the election results on May 4.
PM Modi, addressing his second election rally in Asansol, pinned the blame on previous dispensations from the Congress to Trinamool Congress for West Bengal’s “disgraceful decline from prosperity to deprivation” and said that the BJP’s good governance is the only solution for West Bengal’s burgeoning woes.
Accusing the Mamata Banerjee government of taking the state back to ‘dark ages’, the Prime Minister said that it is essential for West Bengal’s progress that the state is freed from Trinamool’s clutches.
“For Bengal’s progress, freedom from Trinamool is necessary, because while the entire country is moving ahead at a rapid pace, Trinamool is pushing Bengal backwards,” he added.
“Trinamool’s time is over. The next government will be a double-engine government of the BJP. After May 4, Bengal will enter a new era of development,” he said.
Making a fervent call to the electorate to choose their options wisely in the upcoming state polls, Prime Minister Modi said that the people of West Bengal won’t get fooled this time, as they want a “performing” government with a proven track record.
Business
Crude oil prices tank up to 20 pc over Iran ceasefire announcement

New Delhi, April 8: Global crude oil prices on Wednesday plunged sharply up to 20 per cent, after US President Donald Trump announced a two-week ceasefire with Iran that includes a pledge to restore navigation through the Strait of Hormuz — the narrow waterway at the heart of the world’s most acute energy crisis in decades.
The international benchmark Brent crude futures shed nearly 16 per cent or $17.39 to $91.88, hitting an intraday low, while US WTI crude declined almost 20 per cent or $21.90 to $91.05.
The Strait of Hormuz, through which roughly a fifth of global oil flows, has been at the centre of the conflict. Iran had restricted passage for several weeks, contributing to rising prices and supply concerns. Markets had been on edge ahead of Trump’s deadline for Iran to reach a deal, with traders fearing a major escalation could disrupt shipments across the Gulf and send prices sharply higher.
Oil prices had surged in recent weeks amid fears that the strait could be closed or severely restricted. The waterway handles shipments critical to global supply chains, including crude oil and liquefied natural gas.
The US-Israel-Iran conflict has been paused for two weeks after approximately 40 days of hostilities that began in February.
President Trump’s shift in stance came just ahead of his stated deadline for Iran to reopen the Strait of Hormuz or risk extensive strikes on its civilian infrastructure.
Meanwhile, Iran indicated it would halt its military operations provided attacks against it ceased simultaneously. Foreign Minister Abbas Araghchi, in a formal statement, confirmed that safe passage through the Strait of Hormuz would be ensured for two weeks in coordination with Iranian armed forces.
The conflict had triggered an unprecedented surge in oil prices in March, with gains exceeding 60 per cent during the period.
Additionally, Indian equity benchmarks also rallied sharply on the development, trading more than 3 per cent higher in early trade. The Sensex jumped nearly 4 per cent, while the Nifty surged 3.5 per cent to their respective intraday highs.
National News
Priyanka Chaturvedi Defends India’s Stand On Staying Off US–Iran Ceasefire Talks, ‘Why Should We Be Part? Wasn’t Our War’

Shiv Sena-UBT leader Priyanka Chaturvedi defended India’s stand on not being part of the negotiating table between the US and Iran and questioned why it should be involved, saying the conflict ‘wasn’t our war.’ Her remarks come amid an ongoing debate over India’s stance on the escalating West Asia tensions.
Taking to her official handle on X, Chaturvedi also mocked Pakistan’s role as a mediator, and said, “And for them, it is like that tort who, for a fee will say it will resolve the crisis- best described by India’s FM in an all party meeting.”
She also spoke on the ceasefire, saying that Iran kept its position, the US saved face, Israel faced a reality check, while Pakistan got a ‘thank you note,’ and India secured its oil supply.
US President Donald Trump agreed to a 14-day ceasefire after talks with Pakistan Prime Minister Shehbaz Sharif and Pakistan Army chief Asim Munir, according to a post shared by him on his official Truth Social account. Trump also accepted the 10-point proposal from Iran. The Iranian side then accepted Trump’s peace overture and agreed to safe passage via the Strait of Hormuz for two weeks, as well as a pause in military operations.
Based on conversations with Prime Minister Shehbaz Sharif and Field Marshal Asim Munir, of Pakistan, and wherein they requested that I hold off the destructive force being sent tonight to Iran, and subject to the Islamic Republic of Iran agreeing to the COMPLETE, IMMEDIATE, and SAFE OPENING of the Strait of Hormuz, I agree to suspend the bombing and attack of Iran for a period of two weeks. This will be a double sided CEASEFIRE! The reason for doing so is that we have already met and exceeded all Military objectives, and are very far along with a definitive Agreement concerning Longterm PEACE with Iran, and PEACE in the Middle East. We received a 10 point proposal from Iran, and believe it is a workable basis on which to negotiate. Almost all of the various points of past contention have been agreed to between the United States and Iran, but a two week period will allow the Agreement to be finalized and consummated. On behalf of the United States of America, as President, and also representing the Countries of the Middle East, it is an Honor to have this Longterm problem close to resolution. Thank you for your attention to this matter! President DONALD J. TRUMP
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