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
SC allows NBE to schedule NEET-PG 2025 exam on August 3

New Delhi, June 6: The Supreme Court on Friday allowed an application filed by the National Board of Examinations (NBE) seeking permission to schedule the National Eligibility-cum-Entrance Test (NEET)-PG 2025 on August 3.
A Bench of Justices Prashant Kumar Mishra and Augustine George Masih took note of the submission that August 3 was the earliest possible available date given by its technology partner for conducting the NEET-PG 2025 examination in terms of the recent apex court order.
Allowing the application filed by the NBE to conduct the NEET-PG 2025 examination on August 3, the Justice Mishra-led Bench clarified that no further time extension will be allowed by the top court.
In an order passed on May 30, the Supreme Court deprecated the practice of conducting the NEET-PG exam in two shifts and opined that holding the examination in two shifts leads to arbitrariness and cannot give a level playing field to the candidates.
It ordered the NBE to make necessary arrangements for holding the NEET-PG 2025 examination in one shift, duly ensuring that complete transparency is maintained and secure centres are identified and commissioned.
“The question papers in two shifts can never be of the same difficulty level. Last year, it (NEET-PG 2024) may have been held in two shifts in the facts and circumstances of that stage. But the examining body ought to have considered making arrangements for holding the examination in one shift,” the Supreme Court had remarked.
The apex court was dealing with a clutch of petitions challenging the lack of transparency in the conduct of the NEET-PG examination.
In their plea filed before the apex court, NEET-PG aspirants claimed that the introduction of two shifts, normalisation method, and change in the tie-breaker criterion affected medical students adversely. The petitioners said that NEET-PG had never been held in two shifts before and had always remained a single-shift and single-day examination to ensure a uniform examination standard and fairness of the national test.
National News
J&K eagerly awaits PM Modi heralding a new dawn of progress

Jammu, June 6: As Prime Minister Narendra Modi arrives in Jammu and Kashmir on Friday to flag off the Vande Bharat train service from Katra to Srinagar and lay the foundation/inaugurate projects worth Rs 46,000, people are eagerly looking forward to a new developmental dawn on the union territory’s horizon.
PM Modi is scheduled to rewrite history by realising the over 70-year-long dream of the people in Kashmir, for whom the journey from the landlocked Valley to the rest of the country looked a distant prospect.
As the entire security apparatus drawn from the special protection group (SPG), army, CAPFs and the local police are maintaining the hawkeyed vigil on the security situation to ensure a peaceful and hassle free visit of the PM, the common man in J&K is enthusiastic about the events of the day going to change the future of the UT.
The Jammu-Srinagar national highway has always been the heartburn for millions of people living in the Kashmir Valley because of the highway’s undependability.
A small trickle of rain would trigger landslides, mudslides, shooting stones and caving in of the road, resulting in a blockade lasting days at a stretch on the Jammu-Srinagar highway.
The blockade of the Jammu-Srinagar highway is going to be of little consequence after Saturday, when the commercial operations of the Vande Bharat train service begin.
“All our horticulture, agriculture and handicrafts, including shawls, carpets, and walnut wood furniture, etc., suffer because of the huge transportation cost and the time taken for such products to reach the terminal markets.
“For Kashmir’s future generations, this story is now going to be a forgotten tale of the past. Goods trains will now transport our produce in the shortest possible time at low freight and without any uncertainty about arrival,” said Abdul Salam Mir, 64, a businessman living in Srinagar city.
Students travelling to seek admissions in professional colleges, patients going out for treatment, businessmen travelling to outside markets, and the common man looking for comfort, affordability and certainty of travel, all people living in Kashmir Valley are going to benefit from the train coming to Kashmir.
People outside the Valley, including tourists, businessmen and professionals, will equally benefit.
“From the point of view of integration and unity of the country, the railway link between Kashmir to Kanyakumari is a powerful political message the PM is going to send from Katra town today”, said Krishen Chand, 52, a resident of Katra town.
Crime
Stampede case: RCB Marketing Head, DNA staffers among four held in Bengaluru

Bengaluru, June 6: Four people, including the Royal Challengers Bengaluru (RCB) Marketing Head and DNA Event Management Company staffers, were arrested on Friday in connection with the stampede near the Chinnaswamy Stadium in Bengaluru that claimed 11 lives.
Nikhil Sosale, Head of Marketing for RCB, along with Sunil Matthew, Kiran, and Sumanth from DNA Event Management, have been arrested, according to the police.
Police said the accused have been arrested in a joint operation at the Bengaluru International Airport.
The police have also raided the residences of Karnataka State Cricket Association (KSCA) Secretary Shankar and KSCA Treasurer Jayaram.
The personnel of the Cubbon Park police, who have registered the case in this regard and the special wing of the Central Crime Branch (CCB) conducted the joint operation.
The arrested individuals were on their way to Mumbai. All four accused have been brought to the Cubbon Park Police Station, where they were being interrogated by Seshadripuram Assistant Commissioner of Police (ACP).
Even after the permission for the victory parade was not given, Sosle posted a message on social media about the victory parade and later deleted it, the police said.
He also announced that free tickets are available at the Stadium for the victory celebration event.
He allegedly further announced that the tickets would be available at Gate numbers 9 and 10 at 1 p.m. on Wednesday, and did not make arrangements to distribute the tickets.
The post was also made on the Royal Challengers’ official handle that the entry will be given at 3 p.m. This post has led to the gathering of lakhs of people, police said.
The DNA Company has acted as per the directions of Sosle. Among the total 21 gates, only three gates were opened, creating chaos.
Karnataka Chief Minister Siddaramaiah on Thursday announced the suspension of five senior police officers, including the Bengaluru Police Commissioner and DCP (Central Division), in connection with the stampede incident on June 4.
“Such an incident has not occurred since I became an MLA, minister, Dy CM, and Chief Minister. This incident has deeply saddened us,” he stated.
The Karnataka Police in the FIR claimed that the accused parties — RCB franchise, DNA event management firm, and the Karnataka State Cricket Association (KSCA) Administrative Committee — organised the victory celebration without the necessary permissions.
The FIR has been registered under Sections 105 (culpable homicide not amounting to murder), 115(2) (voluntarily causing hurt), 118(1) (voluntarily causing hurt or grievous hurt by using dangerous weapons or means), 118(2) read with Section 3(5) (voluntarily causing grievous hurt, when the act is done by several persons in furtherance of common intention), 190 (unlawful assembly), 132 (criminal force to deter a public servant), 125(a) (filing false affidavit), and 125(b) (rash and negligent acts that endanger human life) of Bharatiya Nyaya Sanhita.
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