Investigators are collecting records from various government departments, online portals and associated agencies to reconstruct the hotel's documentary history and determine accountability.
Mishra was arrested on Monday after surrendering before a city court in connection with the devastating fire that killed 22 people, including 13 foreign nationals.
Eight family members had checked into Flourish Stays, the B&B located a few minutes from the hospital, so they could remain close while he underwent treatment.
Radheshyam Aggarwal lost his entire family, including his wife, their chartered accountant son Vivek Aggarwal, daughter-in-law and two grandchildren to the Delhi hotel fire.
