The move follows a series of cases involving employees at the life insurer and marks an escalation from document-based supervision to direct examination of its internal controls.
HSBC is reportedly planning to split the global insurance CEO's responsibilities between senior executives, although the bank has yet to formally announce a successor.
Mainland China earnings came under pressure from bancassurance reforms and a greater reliance on participating products, but growth elsewhere lifted group profitability.
Higher investment income and robust life insurance results propelled shareholder profit despite mixed performance across the group's non-life businesses.
The disposal is scheduled for Thursday and leaves Prudential Corporation Holdings with 32.6% of the Indian fund manager, with its governance rights unchanged.