Namaste, ye 11th ke NCERT ke books hai Physics Chemistry and Biology (for 11th PCM , 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 800rs 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