The Delhi Police investigation into the Satya Niketan building collapse has widened after a court sent the building owner’s son, a PG operator and a labour contractor to two days of police custody. The five-storey building collapsed on September 6, killing seven people and leaving several others injured. Police are examining renovation work, basement repairs and the removal of a ground-floor wall before the collapse. The building had been used as a paying guest accommodation for students. Another PG operator, Shubham Tyagi, remains untraced as the investigation continues.Who Is In Police Custody?A Delhi court has granted two days of police custody to Mahesh Gupta, the son of the building owner, labour contractor Sanoj Kumar and PG operator Sudhanshu Lovneesh. Police sought their custody to question them about the building’s ownership, renovation work, PG operations and circumstances before the collapse. Investigators are also trying to trace Shubham Tyagi, Sudhanshu’s business partner.Mahesh Gupta was responsible for managing the property on behalf of his parents.Sanoj Kumar was hired for renovation work shortly before the collapse.Sudhanshu Lovneesh operated the PG facility under the name Hostel Daze.Shubham Tyagi, the other PG operator, remains absconding.Building owners Hariram Gupta and Urmila Gupta are already in judicial custody.Renovation Work Under ProbePolice are investigating renovation work carried out shortly before the Satya Niketan building collapse. According to investigators, the basement had been undergoing repairs for around eight to ten days after rainwater and waste accumulated there. Around three truckloads of debris were reportedly placed inside the basement to raise its level closer to the ground floor.Investigators have also focused on a wall on the ground floor that was reportedly removed to create additional space for a shop. Police said the wall was removed on the day of the collapse and are examining whether this work weakened the structure. These are investigative findings and the exact cause of the collapse remains subject to further investigation.Also Read: MCD PG Survey Finds 3 Dangerous Buildings After Satya Niketan TragedyPG Operator Role ExaminedThe arrested PG operator, Sudhanshu Lovneesh, allegedly ran the facility with Shubham Tyagi under the name Hostel Daze. Police said the two had leased four floors of the building in August 2025 for around ₹1.05 lakh per month. Investigators are examining whether the operators knew about the building’s condition and ongoing renovation work.Police are also checking the wider PG operation reportedly run by Sudhanshu in the Satya Niketan area. According to investigators, he told police that he had been operating PG accommodations in the locality since 2022 and was running several facilities.Latest Update On InvestigationThe latest court order allows police to question Mahesh Gupta, Sanoj Kumar and Sudhanshu for two days. Their questioning is expected to help investigators establish who authorised the renovation, how the property was being operated and what work was carried out before the collapse. Police are also collecting rent agreements and other records related to the student accommodation.Key HighlightsSeven people died after the five-storey Satya Niketan building collapsed.Mahesh Gupta, Sanoj Kumar and Sudhanshu were sent to two days of police custody.Police are investigating basement renovation and debris-filling work.A ground-floor wall was reportedly removed to create space for a shop.PG operator Shubham Tyagi remains absconding.The owners, Hariram Gupta and Urmila Gupta, were sent to judicial custody.ConclusionThe Satya Niketan building collapse investigation is now focusing on ownership, PG management and construction activity carried out before the tragedy. Police are examining whether renovation work, structural changes and maintenance decisions contributed to the collapse. With three key accused in police custody and another operator still being searched for, investigators are continuing to establish individual responsibilities. The final findings will depend on the ongoing police investigation and legal proceedings.Disclaimer: This article is intended only for knowledge and news-information purposes. Allegations and investigative findings should not be treated as final conclusions unless established through due legal process.