sir i need some information to enter into merchant navy

Dear Vikram sir,
i would like to know more about GME courses. What are the further carrier prospects after completion of GME course. What will be the corresponding salaries. The best institute in india which conducting GME courses. Will all student get clear the exams as a 4th engineer, immediate after GME course completion. Please tell me every aspects of GME courses details.
How much salary i can get immediate after GME course ( as a 4th engg.). Yes, it is often said that, the salary is totally depend upon the the compny u join, so, my compny frm where im doin GME is ''the great eastern shipping Co. ltd " . There it is being told that u will draw salary around Rs98,000 p.m ( as a 4th engg. ). I would like to know that, it is correct or fake one..???
one more thing i would like to know that on what factors the promotion depends & how much time it takes to become 2nd or 1st engg soon.
Hope there is soon positive reply frm ur side !
your early reply is solicited please !