InTrainSim is an Indian railway simulation brand and the owner, TechAnagha LLP, describes it as a platform for add-ons and services for Train Simulator Classic. Its catalogue brings Indian Railways to the simulator through locomotives, coaches, routes, track assets and scenarios, with a focus on detailed, true-to-scale content. Products include Humsafar and Duronto Express coaches, LHB sleeper and chair-car packs, Vande Bharat trainsets, Vistadome coaches, Tejas Rajdhani sleeper coaches and locomotives such as the WDS6AD shunter.

Route offerings cover Southern Railway networks in Tamil Nadu and Kerala, while upcoming projects include routes across several regions of India. InTrainSim also provides an app that supports its Pure ITS Mode, enabling enhanced features on supported content, including route-aware systems and special operational behaviour. Standard Mode offers greater flexibility with compatible launch methods.

The website features product information, ratings, upcoming releases, news, FAQs and bundle offers. InTrainSim’s aim is to give Train Simulator Classic players a growing, India-focused collection of railway experiences