CR Pune Division has an Old ICF Rajdhani rake which was earlier serving as either LTT-HW AC or LTT-ALD Duronto. The whole purpose of this AC Special is to transfer the rake from Pune to Mumbai which will subsequently run as PNVL-NED AC Special on the occasion of the anniversary of Shri Guru Gobind Singh Ji.
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The same rake will return back to Pune again as an special. CR could've transferred the rake as it is, guess they're trying to earn a few odd bucks by running it as an special. Even...
more... the officials might be aware of the fact that hardly any booking will be done in this train.