@Ke7241940060892@Shayrad_Azavan Nahh.. he also wrote existing rail systems are rotting away. I gave reply to that... Integration with metros that's poor I agree.
Indigenous Manufacturer HBL ,Kernex & Medha can design & manufacture such Signaling System because Kavach is similar to ETCS -2 - RBC , Balise (Kavach RFID) - Train-borne Equipment, Station 🚉 Equipment, Radio Tower
Pic 1 - ETCS L2 Pic - 2Kavach