There is no clue as such regarding downgradation of berth under ATAS as of now. Since IRCTC is treating the ATAS passenger as a normal passenger of New train, hence upgradation is possible. Normal upgradation funda will work here... Hope this will be helpful for others too. Thanks.
Did it stopped at GAYA???? becoz 7-8 days ago my uncle travelled in it and he told that it stopped at GAYA, also SDAH DRM confirmed that it has got a tech halt at GAYA. And BTW MGS is a tech halt in dn direction as per railways official website
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