Delhi Police are intensifying their investigation into Sarabjeet Singh, a 37-year-old man who breached security at the Delhi Assembly on Monday by crashing his SUV through a VIP gate. Singh, a resident of Pilibhit district in Uttar Pradesh, was reportedly distressed over his missing nephew, Harman, a B Tech student last seen in Anandpur Sahib, Punjab. Authorities are retracing Singh's route to reconstruct his movements and verify his claims. They are also searching for a mobile phone he allegedly discarded, which may contain crucial evidence. The police have sought 10 days of custody for Singh to investigate further, including tracking his movements and any potential associates. In response to the breach, two personnel from the Delhi Police's security unit have been suspended, and a joint security review meeting has recommended enhanced security measures, including regular mock drills and improved alarm systems. The investigation is also considering a possible terror angle to ensure there are no broader security threats.