Languages

I don't know about improvement exam but for JEE mains:-
Unlike India, Germany has 13 years of school education and having qualified JEE Mains means, you are qualified to take admission in German universites but if you are like me who is not from IB/Cambridge and didn't qualify JEE then to study in Germany either you have to do studienkolleg in germany or complete 1year of bachelors 

Lakehead University's admission requirements for international students comprise of proof of proficiency in the English language as a major entry requirement. Lakehead accepts all the major English proficiency exams and students can refer to the table below for the minimum score requirements:

Yes, Lakehead University offers Academic English Programs (AEP) to applicants who meet the university's admission requirements but do not meet the English language proficiency requirements. Such students are automatically considered for admission through AEP. Academic English Programs help students meet the English proficiency of IELTS score of 6.5 or TOEFL score of 80, as per course requirements.

The following are the various English Proficiency tests the North Texas University accepts. English proficiency tests are crucial requirements for university admissions. Applicants must submit scores electronically through the respective testing services to document their English language proficiency. Check out the below minimum English Requirments for international students

York St John University accepts country-specific qualifications from Indian students and they must be fulfilled by the applicants in order to secure an enrollment in the university. Mentioned below are the entry-requirements for Indian students:

• All India Senior School Certificate (including English core, English Communication, Functional English): 60% or higher; OR
• National Education Boards (CBSE/CICSE): 60% or higher; OR
• All other State Boards: 65% or higher.

Applicants whose first language is not English must meet the MSU English language requirements. MSU accepts the score of English language tests such as IELTS, TOEFL, etc. Mnetioned below are the English language tests and their minimum score accepted at MSU:

The English Language Requirements for international students at Fleming College are given as follows:

The Pune-based Indira Institute of Aircraft Engineering (IIAE) does not offer a Diploma in English programme. The following courses are offered at IIAE Pune:

Engineering for Aircraft Maintenance (AME) - B1.1 (Mechanical for Aeroplane Turbines)

Engineering for Aircraft Maintenance (AME) - B2 (AVIONICS) B.Sc. (Aviation)