This document contains notes and information from Sanjay Jangid's first year interior design course. It discusses color theory basics like primary, secondary, tertiary, complementary, and analogous colors. It also covers color psychology and schemes like monochromatic, analogous, complementary, and triadic. Additional sections explain principles of design such as balance, rhythm, harmony, proportion, and scale. Examples are provided to illustrate concepts like balanced visual weight and continuity of movement. The document appears to be class notes and assignments submitted by Sanjay Jangid to Dezyne E'cole College for their interior design program.