Procurement of 72 vials of Inj. NIVOLUMAB-40 mg, for the external project ” Safety and Efficacy of addition of nivolumab to ABVD (Doxorubicin + Bleomycin + Vinblastine + Dacarbazine) backbone chemotherapy in newly diagnosed advanced stage pediatric Hodgkin Lymphoma: A Phase II/III, multicentric, open label, randomized controlled trial” under PI- Dr. Debasish Sahoo Dept. of Medical Oncology, AIIMS, Bhubaneswar.