Open the website of the regional RRB you applied through and look for the ALP CBT-2 result link.
Download the result PDF and search your roll number with Ctrl+F or Find in Page.
Shortlisted candidates are called for CBAT (for ALP posts) followed by document verification and medical.
The scorecard with your marks is released separately on the RRB website.
Always use the official regional RRB website for result links.