The Kodaikanal solar observatory was formed in 1899, which was earlier renowned as the Solar Physics Observatory. The Kodaikanal solar observatory is an eminent part of Indian Institute of Astrophysics. The key features of this remarkable observatory are refractor of dimension 20 cm, which is made for and kept for occultation observations. The Kodaikanal Solar Observatory also constitutes Astronomy Museum which showcases different pictorial, along with a live solar image and Fraunhofer spectrum. One can find and search for astronomic literature, Solar and Solar Terrestrial Physics from the huge collection of books in the library, accommodated in the Kodaikanal Solar Observatory.