IDTP (Interoperable Digital Transaction Platform) IMMS – IDTP Interface, Management and Monitoring System platform is a processing and settlement system for electronic payments, where the main participants are Bank, MFS, and PSPs. IDTP will also connect the utility service providers, other Govt. entities that collect fees and charges from individuals & corporates and also have the provision to connect the business entities such as e-commerce merchants and the PSOs therefore, it will act as a Master Payment Gateway.