Namaste, ye 12th ke NCERT ke books hai Physics Chemistry and Mathematics (for PCB check another post on my account).Ye NCERT ke old books hai.kisiko chahiye honge to le sakte ho.Iski total price 950rs hai ( you can calculate with the help of pictures) par main ise 700 mai de raha hu lena ho to le sakte hai aap.agar kuchh doubt hai to message karo