Namaste, ye 11th ke NCERT ke books hai Physics Chemistry and Mathematics (for 11th PCB, 12th PCM and 12th PCB check another post on my account).Ye NCERT ke old books hai.kisiko chahiye honge to le sakte ho.Iski total price 780rs hai ( you can calculate with the help of pictures) par main ise 600 mai de raha hu lena ho to le sakte hai aap.agar kuchh doubt hai to message karo