This document defines and describes different types of endorsements under the Negotiable Instruments Act 1881 in India. It begins by defining endorsement as when the maker or holder of a negotiable instrument signs it for the purpose of negotiation. There are several kinds of endorsements discussed including blank endorsement, special endorsement, restrictive endorsement, conditional endorsement, sans-recourse endorsement, sans frais endorsement, facultative endorsement, partial endorsement, and per pro endorsement. Each type is defined and an example is provided.