You can write articles and the articles will be edited by editors and if found fit they will accept the article with points and CC. Sometimes forum section replies also will be given CC if they are exemplary. To know completely about the methods of earning on this site you can go through the help topics.
1) You are paid some cash for answers you add depending on quality.
2) You will earn Adsense revenue on it .
Sections like articles, job posting, school submission, information update, comments on articles, question paper submission, forum participation, contests etc are the places where opportunity for earning exists.
So you can contribute as per your interest and aptitude in the relevant sections.
Knowledge is power.
'Idhuvum Kadandhu Pogum "
Even this challenging situation would ease
Further, your points earned too get awarded with cash in the form of Bonus. In a month, if your points earned by you is more to stand in the queue of top 20 members, you will be awarded cash on pro rata basis.
Also, you can participate in contests organised by ISC and win the prizes ranging from Rs. 1 to Rs.250.
You can also earn cash, if you perform/contribute/behave well at ISC. Special Cash Awards will pour on you.
Also, you have the chances to earn google Adsense revenue share for your contribution to ISC.
Wish you all the best, Mr. Sahil
No life without Sun