How to loose weight i have diebities in control?

i am 45 yrs 84kg wt 5-8 ht i am having a active life alyhough my suger and bp is always in control with a light medicine.i am punjabi boy so can anyone guide me how i can loose my weight.which pulses,vegetables and fruits should i take to enjoy a slim trim body .i do evening walk 1.30 hours daily