2A-2, 3A-3, SL-10, GEN-3,SLR-2 = Total 20 permanent coaches in 17209/17210, currently it is running with 1 2A Temporary coach till this month end.
From August onwards it is running with B4. No announcement till now about the 2A extension.
from 1st Aug: 2A-2, 3A-4, SL-10, GEN-3,SLR-2 = Total 21 permanent coaches