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ISRO’s Aditya-L1 Spacecraft To Enter Its Final Destination Orbit Today; Know All Details Here

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ISRO will perform the final manoeuvre on Saturday to inject Aditya-L1 spacecraft, the first space-based Indian observatory to study the Sun, into its final destination orbit, some 1.5 million kilometres from the Earth.

Aditya-L1 spacecraft to be placed on Lagrange point 1

According to ISRO officials, the spacecraft will be placed in a halo orbit around Lagrange point 1 (L1) of the Sun-Earth system, about 1.5 million km from the Earth. The L1 point is about one per cent of the total distance between the Earth and the Sun. 

A satellite in a halo orbit around the L1 point has the major advantage of continuously viewing the Sun without any occultations/eclipses, they said, adding this will provide a greater advantage in observing solar activities and its effect on space weather in real-time.

“This manoeuvre (at around 4 pm on Saturday) will bind the Aditya-L1 to a halo orbit around L1. If we don’t do this, there is a possibility that it will continue its journey, maybe towards the Sun,” an ISRO official told on Friday.

On September 2, 2023, PSLV-C57 blasted off the Aditya-L1 spacecraft

The Polar Satellite Launch Vehicle (PSLV-C57) launched the Aditya-L1 spacecraft from the second launch pad of Satish Dhawan Space Centre (SDSC), Sriharikota, on September 2 last year. After a flight duration of 63 minutes and 20 seconds, it was successfully injected into an elliptical orbit of 235×19500 km around the Earth. 

The spacecraft underwent a series of maneuvers thereafter and headed Sun-Earth Lagrange Point 1(L1), having escaped the Earth’s sphere of influence. The spacecraft carries seven payloads to observe the photosphere, chromosphere and the outermost layers of the Sun (the corona) using electromagnetic and particle and magnetic field detectors.

“Using the special vantage point L1, four payloads directly view the Sun and the remaining three payloads carry out in-situ studies of particles and fields at the Lagrange point L1, thus providing important scientific studies of the propagatory effect of solar dynamics in the interplanetary medium,” according to the space agency.

The suits of Aditya L1 payloads are expected to provide the “most crucial information” to understand the problem of coronal heating, coronal mass ejection, pre-flare and flare activities and their characteristics, dynamics of space weather, and propagation of particles and fields, officials said.

Aditya-L1 mission major goals 

The major science objectives of the Aditya-L1 mission are, 1) Study of the Solar upper atmospheric (chromosphere and corona) dynamics. 2) Study of chromospheric and coronal heating, physics of the partially ionized plasma, initiation of the coronal mass ejections, and flares. 3) Observe the in-situ particle and plasma environment, providing data for the study of particle dynamics from the Sun. 4) Physics of the solar corona and its heating mechanism. 5) Diagnostics of the coronal and coronal loops plasma: Temperature, velocity and density. 6) Development, dynamics and origin of coronal mass ejections (CMEs). 7) Identify the sequence of processes that occur at multiple layers (chromosphere, base and extended corona) which eventually leads to solar eruptive events. 8) Magnetic field topology and magnetic field measurements in the solar corona. 9) Drivers for space weather (origin, composition and dynamics of solar wind).

Crime

Red Fort blast link surfaces as Delhi Police arrests four in multi-state radical module bust

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New Delhi, April 18: The Delhi Police Special Cell on Saturday revealed that it had arrested four youths from three states for online radicalising and recruiting others with the aim to establish an Islamic state through ‘jihad’, officials said. According to police, a connection to the Red Fort blast was also established, which had claimed 11 lives and injured several others.

One of the accused had visited various sensitive installations including the Red Fort in Delhi in December 2025. He also posted a photo of the historical place with a black flag atop it to radicalise others, police said.

The official statement highlighted that the youths were radicalised into joining terrorism-related activities. Police have also recovered material used for preparation of Improvised Explosive Devices (IED) from one of them. Along with this, the mobile phones of the accused were also seized.

A team of Delhi Police Special Cell, led by Inspectors Vinay Pal and Manoj Kumar, including ACP Ashish Kumar, arrested the four accused persons from Maharashtra, Odisha and Bihar. An FIR was registered under relevant Sections of BNS, 2023.

Among the arrested youths, Mosaib Ahmad, Jalaluddin Siddiqui and Mohammad Hammad were residents of Maharashtra. While Sheikh Imran belonged to Odisha and Mohammad Sohail hailed from Bihar.

Police confirmed that the accused were part of various closed groups on encrypted social media platforms. They were allegedly engaged in radicalising and recruiting others for establishing Islamic state through ‘jihad’.

The investigation revealed that two members of the module were in the process of collecting locally-sourced material for preparing a remote-controlled IED which could be used for a terrorist attack at an opportune time.

Revealing their modus operandi, officials said that one member of the module was exhorting others to collect weapons and explosives for participating in ‘Ghazwa-e-Hind’. He shared his bank account details on his social media channel for crowd funding in support of ‘jihad’.

Another accused promised to arrange arms training for the members of the module and asked other members to send money for the same.

One of the accused, Mosaib Ahmad, was a part of multiple online radicalised groups. Police said that he assisted co-accused Mohammad Hammad by opening the circuit of a remote-controlled toy car for IED making and sharing its image within a closed group.

Hammad, in turn, shared pictures of ball bearings, nails, remote-controlled toy cars and boxes as material for preparation of IEDs in a closed group. He handed them over to co-accused Mosaib Ahmad, who, being a mechanic by profession, was tasked with assembling the IED.

Born in Bhubaneswar, Sheikh Imran worked as a security guard and delivery boy. In year 2024, he began listening to lectures (takreers) of Tareeq Jameel, Israr Ahmed, Zakir Naik etc. and gradually developed radical beliefs. He joined his associates through social media. Investigators found that Imran discussed targeting Ram Mandir, Parliament and military installations. He was the one who recced the Red Fort.

A plumber by profession, Mohammad Sohail was also influenced by Israr Ahmed. He created multiple social media accounts and exhorted youth in the name of ‘jihad’. In March 2026, he incited followers of his channel to collect weapons and explosives for ‘Ghazwa-e-Hind’ and even shared bank details to collect money.

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Business

‘Make attractive fuel option’: Govt panel favours scrapping excise duty on CNG

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New Delhi, April 17: A high-level government committee, supported by the Petroleum and Natural Gas Regulatory Board (PNGRB), has recommended removing excise duty on Compressed Natural Gas (CNG) to lower prices and promote consumption of the green fuel to meet India’s target of achieving a 15 per cent share of natural gas in the fuel mix by 2030.

The key recommendations include removing the 14 per cent excise duty to make CNG a more attractive fuel option and also lowering GST on CNG vehicles to 5 per cent to bring them on par with electric vehicles to accelerate adoption.

The recommendations favour maintaining a competitive price difference between CNG and petrol so that consumers are encouraged to switch to the green fuel.

The tax relief on natural gas is anticipated to impact roughly 1.9 crore households and 38.41 lakh potential users.

These proposals aim to address the currently high taxes, such as the 14 per cent excise duty and state VAT, which have made CNG less competitive in certain regions, particularly in the southern states.

Meanwhile, the government has also been encouraging households to switch to piped natural gas (PNG) from LPG as the West Asia crisis has disrupted supply chains. The expansion of piped natural gas (PNG) has gained momentum, with about 4.58 lakh new PNG connections being gasified and about 5.1 lakh additional customers registering for new connections since March this year.

Till April 15, about 35,000 PNG consumers have surrendered their LPG connections via MYPNGD.in website. States have been advised to facilitate new PNG connections for domestic and commercial consumers.

The government is encouraging natural gas adoption through synergy between the PNGRB and states as part of India’s transition toward a cleaner and more sustainable energy future. As part of the strategy to increase the share of natural gas in the country’s energy mix, the expansion of the City Gas Distribution (CGD) network through Piped Natural Gas (PNG) connections has emerged as one of the key performing areas.

Spearheaded by entities authorised by the PNGRB, the CGD network now spans 307 geographical areas (GAs), covering nearly 100 per cent of the country’s geographical area except islands, touching around 784 districts across 34 states and Union Territories. The government has undertaken a series of policy and regulatory measures to catalyse growth in this sector.

These measures range from allocating administered price domestic gas and easing supply mechanisms to mandating PNG provisions in government and defence residential complexes, granting Public Utility status to CGD projects, and directing the CPWD and the NBCC to include PNG provisions in all government residential complexes.

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National News

Centre provides security to Raghav Chadha after Punjab withdraws cover: Sources

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New Delhi, April 15: The Ministry of Home Affairs has provided security cover to Aam Aadmi Party (AAP) Rajya Sabha member Raghav Chadha. He will receive ‘Z+ category’ security in both Delhi and Punjab, sources said on Wednesday.

This followed the Punjab government’s decision to withdraw Chadha’s security detail earlier in the day. This action also occurred amid a growing rift between Chadha and the AAP in recent weeks.

According to sources, paramilitary forces will be deployed to provide security to the AAP leader.

This security cover has been granted based on a threat perception report submitted by the Intelligence Bureau (IB) and following an assessment conducted by the Ministry of Home Affairs.

The developments follow recent changes within the party. On April 2, AAP appointed Ashok Mittal as its new Deputy Leader in the Rajya Sabha, replacing Chadha in the role. The move was seen as a significant organisational shift, bringing in a new face from Punjab.

Earlier on April 3, Chadha broke his silence on the development, stating that he had been “silenced, not defeated”.

Meanwhile, speculation is mounting about Chadha’s position within AAP. On April 8, a separate Instagram post shared by him drew attention after it featured a purported supporter suggesting that he should form a new youth-led political party instead of joining any existing organisation.

On April 10, amid an internal rift within the Aam Aadmi Party (AAP), the Rajya Sabha member shared a message on Instagram asserting that his parliamentary work would speak for itself.

Taking to the social media platform Instagram, Chadha posted a video and wrote, “With respect to those questioning my parliamentary performance, I’ll let my work do the talking.”

The video featured a compilation of his interventions and questions raised in the Rajya Sabha, highlighting a wide range of public policy issues he has addressed.

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