Downloadable memos, notices, bonds, certificates and reports are unofficial educational templates. Investigation notes are unofficial study notes. They are not official government forms or manuals, and they are not issued by the Ministry of Home Affairs, NCRB, or any police department. Use the format your own department prescribes. The Acts those templates and notes relate to are the Acts listed above. The 60-day and 90-day choices in the chargesheet calculator follow section 187 of the Bharatiya Nagarik Suraksha Sanhita, 2023, in the BNSS PDF linked above.