The primary outcomes will assess the number of participants with co-morbidities, diagnosed and with symptoms of ND MM and R/R MM, sites of disease, ECOG performance status, frailty index, participants evaluated for laboratory test, duration for treatment, overall survival, progression status, response to each regimen, time to next therapy and participants with stem cell transplant. Secondary outcomes are treatment combinations,sequencing,rechallenge,clinical outcomes for different strategies,between continuous and intermittent,triggers of treatment initiation at relapse,biochemical progression/symptomatic progression,reasons for treatment modifications,HRQoL,HRU,associations between presentation,disease characteristics,choice of therapy and clinical outcomes,SAE and non-SAE.