<prompt> Obesity indices are -Brocas indexPonderal indexQuetelet indexCorpulence index  <response>: Body mass indexquetelet;s index Ponderal index Broca index Lorentz;sformula Corpulence index. Among these BMI and Broca index are widely used. BMI is used an index for obesity. Ref- Park;s textbook of Preventive and Social Medicine 24th edition. 