The Reverse Repo Rate is the rate at which a Bank 🏦 deposits its excess money 🪙 with the RBI 🏦, and then RBI gives some interest ↗️ to that bank. This interest is known as the Reverse Repo Rate.

SLR is a certain percentage 📊 of their total deposits 🪙 in the form of Gold 🪙 + Cash 💵 + Bonds 📄 + Securities 📄, which every bank 🏦 has to maintain at the end of every business day 🗓.

The Cash Reserve Ratio is the ratio 📊 maintained by every bank 🏦, which is a certain % of their total deposits 🪙 with the RBI 🏦 in the form of Cash 💵 and Net Demand and Time Liabilities (NDTL) 😀.

The Bank Rate is the rate 📈 at which the RBI 🏦 lends money 💵 to banks 🏦 without any security 🔓 for a longer period ⏳ (more than 90 days).

MSF refers to the rate 📈 at which banks 🏦 can borrow funds 💵 from the RBI 🏦 for a very short time, usually on an overnight basis 🌜⏱

NPA refers to the assets 💼 (mostly loans) of a bank 🏦 that are not generating any income 💵.
If a borrower doesn’t repay the loan or interest for more than 90 days 🗓 (and for some consumer loans, 180 days), the bank labels that loan as a Non-Performing Asset.