Hi Ishita singh! Subjects to study to get into NIFT are based on NIFT entrance exam also the basic educational background. 

ABOUT NIFT

NIFT stands for the National Institute of Fashion Technology was established in the year 1986 under the Ministry of Textiles, Government of India. NIFT is a expert Institution in fashion education which provide integrate knowledge, traditional arts, contemporary thought, academic freedom, innovations in design and technology and creative thinking. NIFT, today, has spread its wings across the length and breadth of the country with its 17 campuses all over India.

NIFT EXAMINATION

NIFT conducts entrance examination for the candidates who are seeking for admission to the B. Des and M. Des courses. The selection process will be based on NIFT examination score. There are two entrance examination organise by NIFT which are- General Ability Test (GAT) and a Creative Ability Test (CAT). However, B.F.Tech, M.F.Tech, and M.FM aspirants only need to appear for the GAT written test. Also there are situation test and GDPI round after CAT or GAT. 

THE BASIC EDUCATIONAL CRITERIA 

• Candidates have to pass out their 10+2 exam or 10+3 diploma course with any stream or subject from any recognised board for B. Des admission at NIFT. 
• And for M. Des admission at NIFT candidates need to pass out their bachelor degree from any university with any subject combination or stream. 

Subjects to study for entrance

• Syllabus for GAT- Quantitative Ability, Communication Ability and English Comprehension, Analytical Ability and Logical Ability, General Knowledge and Current Affairs.
• syllabus for CAT- Design Theory, Colour Terminology, Inspiration and, Design Development, Colour Psychology and Optical Illusions, Elements and Principles Of Design Mood, Theme and Colour, Inter-relationship and Geometrical Form, Innovation in Design, Principles of Composition, Creative thinking and writing, Optical Illusion, Understanding Light and Shade, Visual Logic, Form and Function, Colour, Pattern and Texture, Theme Development, Drawing Fundamentals, Picture Analysis, Memory Drawing, Inspiration and Creativity, Ornaments and motifs, Use of Measurements, Scale and proportions, Optical Illusion, Foreshortening and Perspective, Developing Themes and Colour Associations, Usage of Colour in Compositions, Imagination and Doodling, 3D Visualisation, Presentation Techniques, Expression and Emotion, Exercises on imagination, Lateral Thinking, Story Pictures, Graphics and Pictograms, Innovation and Creation, Design Awareness.
• Practice drawing and polish your creative skills regularly for Situation test round and GDPI round. 
• Develop your own art work portfolio for PI round. 

This all you need to study to get into NIFT!