Train EB was applied while departing KTBNB at track circuit N775 and YIS NB at track circuit N799 s tations in Auto mode. Released EB - ok. Proceeded in Auto mo de to next station. ATS alarm showed CBTC Applied EB due to ~~~~~ Train EB was applied while departing KTB     #3563-A side cab door before adjust is 7mm (door catch) Adjusted to 1mm-3mm gap.Cab door tested ok when closing. Done by Sanip/Imran. 04/11/21