I have all books,in biology
I have with notes too,
all handwritten

have chemistry & physics notes if from pw I can provide

physics is new soo 450
chemistry too 450
biology one will 400

both bio books r under 500 I'll give u under 400 with notes

other than this,
ncert fingertips in bio,chem,& physics

physics &chem is new
bio is used in 2-3 chapters