Hey ,
Toefl stands for test of english as foreign language , is a standardized test for english language , basically to test the competency of non native English speakers to get into english speaking universities . Its slightly difficult than other tests for the same purpose .
Some great institution for the same in lucknow
1. TIME
2. IMS LEARNING RESOURCES
3.EDUKEN REDEFINING EDUCATION
4. THE CHOPRAS
5. VETA
I am sure this cleared your query !