1) How you seniors were taken the exams I star, Prometric, or by independent student.
In my company. My company is authorised by LOMA to take exam. I am into software and my company sponsored my exam.
2) I want to take as a independent student, what are the options available.
You need a exam centre and Prometric is a good option.
3) While registering for loma exam I dont find many centres in india who are conducting this exam.
Check with Loma website - www.lomanet.org
4) Apart from the lomanet website, any other contact details to get the information.
What kind of details you are looking? Buy books and study and give exam.

5) Centres who conducting loma certification exams
Check with Loma website - www.lomanet.org