As you want here I am telling process to do check RRB Kolkata Junior Engineer Exam Result online :

Go to the Railway Recruitment Board (RRB) Kolkata official website

Click on result option give in the bottom side

By click there you will land on result page which look like this image



As on 19.11.2017 following result info avail there :

Result for ALP Technician of C.E.N.No-01/2014.

Corrigendum of Result for ALP Technician of C.E.N.No-01/2014.

RESULT OF NTPC(UG)-SRD CEN-02/2015.

Recommendation of candidates from Wait List for the post of ASM & Goods Guard vide Catg.No.04 & 07'of CEN No.03/2012

Address
Railway Recruitment Board Kolkata

Metro Railway A.V.Complex,

Chitpur, Opp. To R. G. Kar Medical College & Hospital,

R. G. Kar Road,

Kolkata-700 037