Kavach has to be installed in each and every locomotive, at every signal, at every level crossing. So it is taking time. Moreover before installation, proper study of geography and topology is also required.
please wait...Translate to HindiKavach ko har ek engine mein, har signal par aur har level crossing par lagana zaruri hai. Isliye kaafi waqt lag raha hai. Aur installation se pehle, geography aur topology ka sahi se study bhi zaruri hai.