As you have asked about the result of Indian Space research Organization (ISRO) assistant result, I am giving you information about it, check below for the details

I want to tell you that the result has not been declared yet.
However, you can check its website regularly to know about it.
To check it, you can follow steps given below
Go to ISRO website
Place cursor on About
Click on Careers, the page open look like



Here, you will find the result when available.

Here, I found following:

Recruitment for the Post of Chairman-cum-Managing Director (CMD)
CENTRALISED RECRUITMENT TO THE POST OF SCIENTIST/ENGINEER 'SC' IN THE DISCIPLINES OF ELECTRONICS, MECHANICAL AND COMPUTER SCIENCE
Centralised Recruitment for the post of Junior Personal Assistants, Stenographers and Assistants
RECRUITMENT OF SCIENTEST/ENGINEER 'SC' WITH BE/B.TECH OR EQUIVALENT DEGREE IN CIVIL,ELECTRICAL,REFRIGERATION & A/C AND ARCHITECTURE
ANNUAL RECRUITMENT OF SCIENTISTS/ENGINEERS `SC’ WITH BE/B.TECH OR EQUIVALENT DEGREE IN ELECTRONICS, MECHANICAL AND COMPUTER SCIENCE
Recruitment of Scientists/Engineers 'SC' with Post Graduate Degree in Engineering/Graduate in Engineering/Post Graduate in Science/ & MBA with Human Resource