This is i think is the next train to get LHB in SER after HWH-YPR DURONTO exp.... SER started getting 2020 made coaches series starting " 20XXXX" from ICF Chennai.
As i heard, 2 trains with complete RSA in SER is next in race of lhbfication after HWH-YPR Duronto in 2020-2021 year are:
1. Howrah-Puducherry exp with its complete RSA partner.
2....
more... Santragachi-Mangalore Vivek with its complete RSA partner