http://www.itschool.gov.in/Website_k_tech/Eng/Chemistry%20Module%20_Eng_%20-%2006.07.09.pdf http://www.itschool.gov.in/Website_k_tech/Eng/K-Tech_Module_Eng.pdf http://www.itschool.gov.in/Website_k_tech/Eng/Maths%20Module_Eng.pdf -- Naveen Francis