SAT

The SAT scores are valid for 5 years though but if you wish to apply in fall (September) then you should take it in early 12th as it will leave with you a second chance to score better in case you dont do well in first one.

Hi
I would suggest you to complete all your requirements for education abroad latest by August or September as once you have your semester exams done, it will be easy to get the required documents. So take SAT of June 2016 if you are prepared well and also it will give you a chance to appear again if scores are not good. If your scores are somewhere above 1280, you hv a chance of scholarships. Keep your universities list ready as with commonapp, you can apply to 5 universities. Check their requirements individually and get all your documents ready.

Hello, both cannot be compared as they are entirely different. JEE is India's entrance test for engineering while SAT is the aptitude test to pursue undergraduate studies in US and most foreign countries. To develop your English module start at home, read a lot, speak in English, follow English programs and news, take help from SAT tutorials which are also available online.
Regards

try to score maximum score in your SAT so that you can apply for scholarships. also try to maintain good GPA in your Hsc For maximum chances of scholarship

Hi Bhaiswajyoti, there is one in Guwahati, here is the address
SANSKRITI THE GURUKUL
Vill Gugh Ahomgaon Po Garchuk, Guwahati, India
Center Code: 63150
Please check https://collegereadiness.collegeboard.org/sat/register/find-test-centers for updates and all details.
Good Luck

Hi Dhruv, start taking mock tests regularly now, its very essential and will help you understand where you need to improve more and wil give you an idea where you stand.
Good Luck

Hi
Higher the score, better are the chances of getting a good university. With new SAT in place, your score upto 1000 is average and anything around 1280 is high score out of 1600.