Why seat booking is not working online in IRCTC from 7 Oct for 12842 Coromandel express from Chennai central to Shalimar

Why seat booking is not working online in IRCTC from 7 Oct for 12842 Coromandel express from Chennai central to Shalimar
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(Samrat Ghosh) #1

[My query is about train 12842]
Why seat booking is not working online in IRCTC from 7 Oct for 12842 Coromandel express from Chennai central to Shalimar