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How CBI busted a national cyber gang that used thousands of illegal SIMs to dupe people

The agency had arrested four accused, including two from a prominent telecom firm, during their probe. All four have since been granted bail by a Delhi court

How CBI busted a national cyber gang that used thousands of illegal SIMs to dupe peoplehe firm allegedly bypassed security protocol to obtain 20,986 illegal SIM cards in four years.

On the surface, Lord Mahavira Services India Pvt. Ltd. (LMSIPL) was just another struggling business in Northeast Delhi’s Chander Lok.

But it was just a front. The four-year-old company was allegedly the heart of a ‘sophisticated’ national cyber-fraud syndicate running from NCR and Chandigarh.

The firm allegedly bypassed security protocol to obtain 20,986 illegal SIM cards in four years — the majority sourced from Vodafone Idea — the Central Bureau of Investigation (CBI), which busted the operation in December, claimed in its submissions to a Delhi court.

The same month, the agency arrested four persons in the alleged scam.

The CBI said it arrested Vodafone Idea’s channel partner Sonveer Singh, who had allegedly facilitated the issuance of over 7,000 SIMs by “misrepresenting authorised signatories and end users”.

Two other accused, Manish Upreti and Himalaya Chauhan, were arrested for allegedly “arranging fake KYC verification” to enable “fraudulent issuance” of thousands of SIM cards, according to the CBI.

The fourth accused was Binu Vidyadharan, who was working with Vodafone Idea Ltd. as an Area Sales Manager in Delhi, as per the CBI. His role, the agency alleged, was providing certain Aadhaar cards to co-accused Himalaya for self-KYC.

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As per the agency, all four accused conspired with Mahavira Services to “facilitate phishing, fraudulent messages, and cybercrime activities using illegally obtained SIM connections”.

When contacted, a VI (Vodafone Idea) spokesperson said, “This matter is currently under investigation and we are cooperating with the authorities concerned and providing all necessary support.”

Meanwhile, the accused have since been granted bail by a Delhi court.

On Tuesday, Chauhan and Upreti were granted bail. Additional Chief Judicial Magistrate (ACJM) Jyoti Maheshwari of Rouse Avenue court said, “… the investigation is already complete qua the accused and thus, no ground is warranted to keep both… in further detention… additionally, the apprehension expressed by the investigating agency can be allayed by imposing suitable stringent conditions. This Court is mindful of the alarming rise in cyber-crimes and the magnitude of the offence, but the role of each accused is to be seen independently and cannot be made out to be larger than what it actually is only under the garb of rise of cyber crimes.”

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Sonveer secured bail on February 4. In her order, the ACJM noted: “… the investigating agency has failed to show any nexus or role of the accused in the alleged criminal conspiracy, other than mere issuance of SIM cards, which the applicant/ accused was undertaking, as a part of his professional responsibilities”.

On January 9, ACJM Maheshwari granted bail to Binu. She had said in her order, “… even if the allegations and the role of the accused as alleged by CBI is taken to its highest, the accused has only been negligent in discharge of his official duties in order to fulfil the sales target. The element of conspiracy which the prosecution has sought to show in the present case is glaringly missing and cannot be made out, even if all the allegations of the prosecution are taken to be true.”

The CBI’s case

As per the CBI, “Lord Mahavira Services India Pvt. Ltd. had obtained bulk mobile connections from Telecom Service Providers, particularly Vodafone Idea Ltd, in violation of DoT (Department of Telecommunication) guidelines”.

As per the CBI’s submissions, the illegal SIMs were allegedly given to cyber fraudsters across the country who used them to make fraudulent calls impersonating officials from the Telecom Regulatory Authority of India, among others, to dupe people.

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The CBI said initially, several complaints were received through the Department of Telecommunications’ Chakshu portal.

Out of 210 complaints, 189 involved numbers linked to Mahavira Services, the CBI told the court. There were reported financial losses of lakhs, with complainants alleging they had been cheated through SMSes.

As per procedure, DoT had directed Vodafone Idea to re-verify bulk connections. Following this exercise, the firm deemed 99% of over 5,800 flagged numbers to be “compliant” which appeared suspicious to the CBI, it said. The agency, which worked closely with the DoT, registered a case against Lord Mahavira.

The CBI then probed the huge number of “fake” SMSes sent from SIMs. It said it found possible tampering of IMEI (International Mobile Equipment Identity), a unique identifier assigned to mobile devices. Its probe also showed signs of the possibility of existence of SIM Boxes — a device designed to hold hundreds of SIM cards simultaneously, used to route international calls as local calls, bypassing charges and regulatory norms.

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The agency said searches were conducted at several locations in Delhi, Noida, and Chandigarh and the arrests were made.

The system used for phishing included servers, communication devices, USB hubs, dongles, and thousands of SIM cards. It was using this setup that lakhs of fraud messages were allegedly being sent every day, as per the CBI’s submissions in court. The agency also seized unaccounted cash and cryptocurrency during its raids.

The CBI is being represented by Public Prosecutors Saloni and Anoop Kumar in court.

The accused, their role

As per the CBI, Chauhan, a Point of Sale (PoS) agent for Vodafone Idea Ltd, had allegedly “falsely represented himself as the authorised signatory of LMSIPL” to “falsely procure more than 6,000 SIM cards”. He also allegedly “projected several individuals as end users and employees of LMSIPL”, who, in reality, never worked at the company.

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A similar role had been assigned to Upreti by the CBI.

On Binu’s role, the CBI alleged he arranged dummy individuals, falsely projecting them as employees of Mahavira Services, and submitted their documents to complete the KYC formalities.

Nirbhay Thakur is a Senior Correspondent with The Indian Express who primarily covers district courts in Delhi and has reported on the trials of many high-profile cases since 2023. Professional Background Education: Nirbhay is an economics graduate from Delhi University. Beats: His reporting spans the trial courts, and he occasionally interviews ambassadors and has a keen interest in doing data stories. Specializations: He has a specific interest in data stories related to courts. Core Strength: Nirbhay is known for tracking long-running legal sagas and providing meticulous updates on high-profile criminal trials. Recent notable articles In 2025, he has written long form articles and two investigations. Along with breaking many court stories, he has also done various exclusive stories. 1) A long form on Surender Koli, accused in the Nithari serial killings of 2006. He was acquitted after spending 2 decades in jail. was a branded man. Deemed the “cannibal" who allegedly lured children to his employer’s house in Noida, murdered them, and “ate their flesh” – his actions cited were cited as evidence of human depravity at its worst. However, the SC acquitted him finding various lapses in the investigation. The Indian Express spoke to his lawyers and traced the 2 decades journey.  2) For decades, the Jawaharlal Nehru University (JNU) has been at the forefront of the Government’s national rankings, placed at No. 2 over the past two years alone. It has also been the crucible of campus activism, its protests often spilling into national debates, its student leaders going on to become the faces and voices of political parties of all hues and thoughts. The Indian Express looked at all court cases spanning over two decades and did an investigation. 3) Investigation on the 700 Delhi riots cases. The Indian Express found that in 17 of 93 acquittals (which amounted to 85% of the decided cases) in Delhi riots cases, courts red-flag ‘fabricated’ evidence and pulled up the police. Signature Style Nirbhay’s writing is characterized by its procedural depth. He excels at summarizing 400-page chargesheets and complex court orders into digestible news for the general public. X (Twitter): @Nirbhaya99 ... Read More

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