Runge Kutta method IITM

I am a student of the MCA subject at the Indian Institute of Technology Madras. I am looking for the notes of the Runge Kutta method because I have misused the lecture of it so will you please help me by giving me the link to download it? Also give me the video lecture of this Runge Kutta method of the MCA subject at the Indian Institute of Technology Madras?