For breakfast

Fruits or poha or omelette or idlis.

For lunch

Rotis — two or three, dal, sabzi (all kinds of vegetables; ladiesfinger, cabbage, peas, to name a few). Avoid rice.

For dinner

Rotis — two or three, dal, sabzi (all kinds of vegetables, but avoid potatoes), Diet Coke.

Note: No snacking in between. Try to drink coconut water everyday. Drink enough water (tea/coffee occasionally).