Yes, the marks obtained in CBT Stage 1 and Stage 2 are generally combined for the final selection. The final merit list is prepared based on the cumulative marks obtained in all relevant stages of the selection process. Please note that the selection process details can vary from one recruitment cycle to another, and might also differ for different job roles. Always refer to the official RRB notification and instructions for the most accurate and up-to-date information regarding the RRB NTPC selection process. The answers provided are based on information available up to September 2021.