Which Maths course should I purchase now of Aditya Ranjan Sir?

The Rankers Gurukul website has a number of courses. Does the 'Maths Special Championship 19.0' course priced at 699/- comprehensively covers the entire syllabus of Mathematics? Is it like the best Aditya Ranjan Sir course? Folks, who all have purchased it, what's your feedback?

P.S : I am preparing for CGL 2025. My Maths is weak af.