YouTube Video by Toy Sengupta & he says : SDAH - PURI DURONTO INTRODUCTORY RUN BETWEEN BALLY HALT AND RAJ CHANDRA PUR ON 12TH FEB 2012.
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PS : No Technical Halts for SDAH-PURI Duronto Special(02201) & Kharagpur(KGP) is Technical Halt for Regular SDAH-PURI Duronto Exp(22201) : Source is erail.in :-)