Southern Railway has embarked on a journey to manufacture T- Special Trains (MEMU as steam locomotive) powered by steam engines. Indrayani Biotech Limited (IBL) had acquired the capacity to design, manufacture and supply of Industrial boilers along with pressure parts and components complying with Indian Boilers Act - 1923 (IBA 1923), Indian Boiler Regulations - 1950 (IBR 1950) with all its amendments, under the brand "IBL MATRIX" through its joint venture partner Matrix Boilers Private Limited, Trichy. Southern Railways has empanelled Indrayani Biotech Limited (IBL) for design, manufacture and supply of Industrial Boilers.

The first set of two boiler shell profile for T-Special train (MEMU as steam locomotive) has been fabricated and delivered to Golden Rock Workshop on October 30, 2022 to be incorporated in the above, by Southern Railway in its EMU Car Shed, Avadi, Chennai.