Indian space research organisation is one the center to study about the space.ISRO (Indian Space Research Organization) is to develop space technology and its application to various tasks of national and international interest.
every year they release a notification to recruit a young scientist. So to Get clear the written exam you must start preparation from now onwards.The exam paper will totally objective with negative marking,the syllabus is totally similar to GATE syllabus but some questions will also come from basic computers.
The cutoff for the written exam will changes for every year, But approximately if you get 150 marks then there is a chance of getting call for Interview.
How to prepare to the ISRO written exam:
The exam question will be like a GATE model questions.So be thorough with all the topics and practice all last 10 previous ISRO ,GATE, IES papers.No need to study in depth concepts to clear written exam because there is a less time to study so, practice all previous questions of GATE, IES, ISRO and try yourself to get the solutions to the previous questions. I think previous question is enough to clear written exam but the chance of Repetition of the questions is very less, they may ask similar models as in previous questions so, practice all the questions clearly.
Mainly concentrate more on weightage subjects like ANALOG CIRCUITS, DIGITAL ELECTRONICS, ELECTROMAGNETIC FIELDS, COMMUNICATIONS,ANTENNA BASICS. their is a chance of getting more questions from these subjects.
Previous ISRO questions papers with answer in pdf format:
ISRO 2016 paper Download ANSWER KEY
ISRO 2015 paper Download
ISRO 2014 paper Download
ISRO 2013 paper Download
ISRO 2011 paper Download
ISRO 2010 paper Download
ISRO 2009 paper Download
ISRO 2008 paper Download
ISRO 2007 paper Download
ISRO 2006 paper Download