That too the Indian railways is working on they had already allowed 100% FDI in Railways and Alstom will start its production in 2018. I agree that and also say that whichever routes which are possible for electric traction should be electrified. First of all we need Doubling of Lines which NDA is doing as the first priority.Let me tell you one thing and please accept this.
During 10 years of UPA reign we had seen only following things.
If the Rail Minister is of say from UP, UP will get more trains...
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compared to other states.
Or
To Take revenge from opposition they never introduce new train or any new schemes to that state biggest example is Tamil Nadu,I am living here from 20 years and I have seen the disaster done by Railways during the years of their rule.
Secondly,
Don't you think Chennai to Bangalore and Bangalore to Mumbai deserves Doubling and Electrification why did they start doubling only in late 2013. What were they doing during 2004-2013.
Ahmadabad to Delhi via Jaipur should be doubled and electrified.
New Delhi to Guwahati should be doubled and electrified.
I think they are doing well as of now because we have lot of improvement to be done in Railways and yes they will develop it by 2024. Because Congress is no more coming again in 2019. Sorry to talk about politics but we should see Development of Railways

First of all I did not mention about Chennai to Bangalore in my any of the statements. I only mentioned Mumbai-Bangalore,Chennai and Hyderabad. So for your knowledge trains coming from Mumbai to Chennai go via Guntakal and not Bangalore. What will you say about trains in UP section which get late by 5-7 hours. I say priority is to Double and Electrify Delhi-Guwahati which includes UP section which is neglected from years in Railway development during UPA rule when most of their railway ministers like Lallu from Bihar,Mamata Banerjee from WB, they thought only about adding trains but never thought of Facilities to Passengers, Amenities in trains and never ever thought of doubling lines in UP and Bihar. Doubling should be the first priority and Electrification next. Itarsi to Allahabad route will also get fully electrified by 2018. I know about electrification In Kerala,Tamil Nadu and Karnataka because I live in...
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Tiruppur from past 20 years and it is electrified. For me the railways should electrify these routes
1.Mumbai-Delhi via Ahmedabad,Abu Road,Ajmer,Jaipur.
2 Delhi to Guwahati (all the routes )
3.Mumbai to Mysore via Bangalore
4.Chennai to Hyderabad.
5.Bangalore to Hyderabad (All routes)
6.Howrah to Guwahati.
7.All the existing routes which are under electrification process and all the routes for which tenders are out.
I think Electrification on main routes where premium trains like Shatabdi,Rajdhani,Duronto run should be electrified.
Konkan Railways is exception.
You should also know that Indian Railways have stopped the production of WAP 4 CLASS locos and only WAP 5,7 will be produced now. So there should be no argument on Diesel and Electric because all the departments of NDA government is working fine for electrification Indian Railway is seeking funds for more power supply from Piyush Goyal. Their plan is to electrify most of the Rail Routes. And that situation of delays would be solved by solving basic issues and yes it will happen soon.

RPM WAP 7 according to my knowledge I have mostly seen with trains originating and terminating at Chennai Only eg.
12623 TVC Mail.
12685 Mangalore Mail
12695
and also Allapuzha mail
Some...
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trains from Coimbatore like
Kovai Express
Intercity Express towards Chennai.
Shatabdi Express ( not always)
Blue Mountain Express
Chetan Express
Coimbatore -Jaipur Express upto Chennai
Rapti Sagar Express. As Offlink
So you should know from here that trains which are originating from Chennai are most likely to get WAP 7 of RPM
for other electric locos mostly expect only ED WAP 4 or AJJ WAP 1
So according to me trains passing via Erode but not Chennai will get ED WAP 4 only.
And RPM shed will also mostly use RPM WAP 7 for Chennai to Madurai,Villupuram,Kanniyakumari and Tirunelveli route trains.
So I am picking TRAIN NO 12685 Mangalore Mail as No.1 Contender for WAP 7 RPM.
And 12601/12602 also.
For trains passing via Erode ED WAP 4
But, there is a problem with Chennai Egmore Train
This train have a Loco Change at Tiruchirapalli from Diesel to RPM WAP 4/7
So I don't think they will make a 2 loco change train. They will wait till Trichy to Erode line gets electrified by 2018 end

If you notice there are still some trains from Chennai which use RPM WAP 7 towards other states and cities Duronto Express also uses RPM WAP 7 and many Locos be it WAP 4 or WAP 7 of RPM is used for trains towards Bangalore and you can see some Passenger train in Karnataka using WAP 7 of RPM. WAP 7 Will come to Kerala only when need arise. Once by May if Bangalore to Mysore route gets electrified then you will see Shatabdi from Chennai going with WAP 7 and as of Now Double Decker train uses WAP 7 plus Grand Trunk goes with WAP 7. As of now WAP 7 is a premium loco for RPM. RPM WAP 7 will not be used as the loco from TVC to MAQ and then change of loco. They will use WAP 4 keep in mind. WAP 7 is a premium loco...
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and won't make a shift to any Kerala based Electric Loco Shed though WAP 4 of ED may shifted. Due to this more WAP 7 Will be produced in future and then you could see Rajdhani with WAP 7 but Konkan Should be electrified.Even now Rajdhani gets WAP 5/7 from BRC