Lung cancer remains the leading cause of cancer-related death worldwide due to its poor prognosis. Despite significant advancements in the understanding of cancer development, improvements in diagnostic methods, and multimodal therapeutic regimens, the prognosis of lung cancer has still not improved. Therefore, it is reasonable to look for newer and alternative medicines for treatment. Bhallataka nut extract, derived from the seeds of Semecarpus anacardium, was known to exhibit anti-inflammatory and antioxidant properties, suggesting potential as a treatment for cancer. In this study, we investigated the molecular networks associated with Bhallataka taila-mediated inhibition of lung adenocarcinoma. Treating lung cancer cell lines with Bhallataka taila resulted in decreased colony formation, proliferation, and migration, and increased apoptosis. A TMT based quantitative approach was used to identify the significantly altered proteins upon Bhallataka taila treatment at various timepoints. Gene Ontology (GO) analysis and pathway analysis was done for the significantly altered proteins and was later validated by immunoblotting.