Last 2 months salary pay slips is required, employment proof, bank statement of salary a/c of last 3 months, no. of years of experience in papers and KYC documents. And other proofs like address, signature, age and identity etc. These were from your end banks and NBFCs calculate the eligibility from your gross salary, returns of income tax, checks any due on your credit card.
It happens sometimes that most bank and other non-banking. A person with regular salary intake, banks offers them almost 60 times their net income. And if they are running two loans simultaneously, banks would deduct the EMI amount you pay from your monthly salary or income to determine your overall personal loans.