2.Public English Test System (PETS):
The Public English Test System is a national English proficiency test that includes five levels, each with a written and an oral component.
It is open to the public, including students, workers, and professionals who wish to evaluate their English proficiency.
The levels range from basic communication skills (PETS 1) to advanced proficiency suitable for postgraduate studies or professional work (PETS 5).
PETS is organized by the Ministry of Education's Examination Authority and is held twice a year, typically in March and September.
In fact, this test are less popular and famous than CET-4 and CET-6.