Which engineering branch has more scope in ISRO and DRDO?

mechanical electronics electrical computer Science.. All the best please upvote

DRDO & ISRO hires regularly Electronics, Mechanical, Aeronautical/ Aerospace engineers in their scientific cadre. Number of vacancies in each branch varies year to year based on shortages against approved vacancies.

You should opt for mechanical engineering.

In isro robotic eng. N aeronautical eng. Are the best

all respective branches have equal wattage in ISRO irrespective of what you are skillfull in . do choose a field of your interest and not by comparing yourself to others. you will succeed automatically and find it interesting to work and will never get bored. all d best.

Mechanical and electrical.