badi jaldi yaad aya iss route ko double krne ka jo saalo pehle ho jaana tha or ab jab single lines pe jarurat se jada pressure aa gaya hai tab jaake sirf doubling ka kaam shuru hua hai jo km se km ek 5-8 saal me pura hoga electrification to pura hone me 5-6 saal lag gaye or ab doubling pata nai kon si sadi me pura hoga fir sochenge nai line ko electrify karne ka