Bankruptcy Ordinance (Cap. 30) — Sections 144, 148 and 137 (1) (r) —Prosecution ordered and instituted in absence of report and formal application by Official Receiver — Whether a nullity — Evidence — Effect of section 17 (8), Bankruptcy Ordinance on Indian Evidence Act, section 132 — Incriminating answer in public examination may be used in evidence against bankrupt in prosecution — Whether conviction may be founded solely upon — Criminal Practice and Procedure — Proper mode of putting record in evidence.