CAUSE-EFFECT MODELLING OF CROP RESIDUE BURNING ON URBAN SCHOOL CHILDREN HEALTH Thesis Submitted for the award of Doctor of Philosophy by Sachin Gupta (Regd. No.: 901304003) Under the supervision of Dr. Ravinder Agarwal Dr. Susheel Mittal CChemFRSC Professor, EIED Senior Professor, SCBC Department of Electrical and Instrumentation Engineering THAPAR INSTITUTE OF ENGINEERING AND TECHNOLOGY,PATIALA (Declared as Deemed-to-be-University u/s 3 of the UGC Act., 1956) Punjab (India)-147004 November, 2018