Study of transcription factors NF-kappaB and STAT3 signaling pathway, death receptor pathway, extrinsic and intrinsic pathway of apoptosis, anticancer properties of natural compounds in both in vitro and nude mouse models, study of cell cycle by flow cytometry, study of oxidative stress in animal models, antioxidants, study of genotoxicity by chromosomal aberration and micronuclei assay, study of gene expression by using western blotting and RT-PCR, DNA binding assay by EMSA, reporter gene expression, Immunohistochemical analysis, studies on both in vivo and in vitro experimental models.