Finance internship questions are more realistic. The questions deal with the taxation, credit and debit related issues and new financial reform like what is GST etc. can be expected.
Financial internship is like working on high risk environment which has lot in stake. So, analysis and accuracy are key points for this internship. Additionally, according to your choice tasks will be related to investment banking, accounting etc.
Chartered accounting companies have financial internships. Also, financial consulting firms like E&Y, Delloiteetc have audit related internships.