the most important or principal part

the chief or leading interferer

प्रमुख भाग

English Usage: The main focus of the meeting was to discuss budget cuts.

Hindi Usage: बैठक का प्रमुख भाग बजट में कटौती पर चर्चा करना था.

the primary source of interference

हस्तक्षेप का प्राथमिक स्रोत

English Usage: The main interferer in the signal was a large building.

Hindi Usage: सिग्नल में मुख्य हस्तक्षेप एक बड़ा भवन था.