Supply installation testing and commissioning of Signalling material in connection with following work:- 1)- Tajpur additional loop line in connection with Simhastha 2028. 2)-Naikheri yard remodeling with additional loop and stabling line in connection of Simhastha 2028. 3)-Rajendra Nagar provision of stabling line in connection with Simhastha 2028. 4)-Pingleshwar Emergency crossover in connection with Simhastha 2028. 5)- Barlai additional loop line in connection with Simhastha 2028. 6)- Vikr (Индия - Тендер #72150787)