Sharma, Rajeev KumarAmritpal Singh2019-12-142019-12-142019http://krishikosh.egranth.ac.in/handle/1/5810137683We study the decay modes of B mesons to final states including J/ψ and mesons based on a large amount of data sample at the ϒ(4S) state collected with Belle detector in KEKB asymmetric energy collider. ennullControl sample studies for rare radiative decay using Belle detectorThesis