This document provides an overview of angel investments, including defining angels and their typical investment amounts ranging from 30 lakh to 6 crore INR. It discusses factors angels consider like startup stage, team experience and traction. Terminologies covered include pre-money/post-money valuation, stock option pools, liquidation preference. Valuation methodologies like scorecard valuation and P/E ratios are explained. Key issues for angels are expected dilution, legal protection, and regulatory barriers in India like CASS and applicable tax sections.