The purpose of this study is to assess the safety of teclistamab in routine clinical practice when given as monotherapy in Indian participants with relapsed and refractory multiple myeloma (RRMM) (that is, a blood cancer that comes back after treatment or does not respond to treatment) who have previously received at least 3 prior lines of therapy including an immunomodulatory agent, a proteasome inhibitor and an anti-cluster of differentiation (CD)38 antibody (is a protein that fights infection) and whose disease have progressed on the last therapy.