Hey as per your demand here I am giving you eligibility criteria of BSNL TTA in west Bengal

Nationality
Candidate should be Indian

Age limit
Candidate should be between 18 to 30 years

Age relaxation
SC / ST - 5 years
OBC - 3 years
SC/ST PWD - 15 years
OBC PWD - 13 years
OC- PWD - 10 years

Educational Qualification:-
Candidate should have sThree years engineering Diploma / B.Tech / B.E in any of the following disciplines:-

1. Telecommunication
2. Electronics
3. Electrical
4. Radio
5. Computer
6. Instrumentation
7. Information Technology

Selection criteria
Written test
Interview