A "complete" set of Gagan Pratap’s Advance Maths notes typically includes the following chapters:
Use the notes as a reference while solving the last 5 years of SSC CGL papers. gagan pratap advance maths complete class notes link
Having the notes is only half the battle. To score 50/50 in the quant section, follow this strategy: A "complete" set of Gagan Pratap’s Advance Maths