What does "DE1" indicate on CNF/DE1/90/WS for train no. 05116?

specialtrain
05116
covid-19
What does "DE1" indicate on CNF/DE1/90/WS for train no. 05116?
0.0 0.0 0.0 0.0 0
(Rakesh Gupt) #1

[My query is about train 05116]