Actually the one BHKs are larger as compared to other metros and the size is around 600 to 700 sq ft. May be that is one of the reasons for the demand of 1bhk flats.
Madivala is close to educational institutions and falls between Koramangla and Electronic City. Mathikere is the educational hub with the Ramaiah Institute, Tata Institute of Fundamental Research and Indian Institute of Science in the vicinity. That’s why the demand is high in those areas.