Is IELTS mandatory for Sheffield Hallam University?

In IELTS and TOEFL, each section (Reading, Writing, Speaking, Listening) is scored independently. A weak section directly pulls down your overall score with no compensation from strengths elsewhere.
In PTE, many tasks contribute to multiple skill scores simultaneously - due to its integrated scoring

Yes. PTE slots can be booked on shorter notice of up to 24 hours in advance. While IELTS exam be booked up to 2-4 days in advance, subject to the availability of slots. 

Yes, for admission to UIUC, IELTS or TOEFL / equivalent scores are required to prove English language proficiency. The test scores required in these tests are-

Indian students who want to get into Northern College at Pures have to submit IELTS or any equivalent test scores. The minimum test scores that are required are-

• IELTS with minimum 6.0, with no less than 5.5 in each section
• PTE with 58+
• TOEFL iBT wit 79

Indian students who want to take admission to Cranfield Uni have to submit an IELTS score. Minimum scores required in IELTS and other English language tests are-