you people are right. I found below post in some thread. As per that my TRF number matching exactly.
This will definitely help people, considering draws nowadays on Monday. Usually, we will receive TRF hardcopy only on Tuesdays.
Try yours
"The TRF number is easy to guess, it is formed of the following criteria:
The last two digits of the year + the short name of the country where you gave the test + Candidate number + Your last name's first three letters + your first name's first letter + the code of the test center + the module
For (James Antony) who has given the general module test in India in 2015, and who has the candidate number (003819) in the test centre number IN019,
his reference number is:
15IN003819ANTJ019G