📊 Glycemic Index of Indian Foods: A Complete Chart for Diabetes

Not all carbohydrates are equal. Some foods raise blood sugar rapidly, while others produce a slow, gentle rise. The glycemic index (GI) is a tool that ranks carbohydrate‑containing foods on a scale of 0 to 100 based on how quickly and how much they spike your blood sugar. Understanding the GI of common Indian foods — from roti and rice to idli and fruits — can help you make smarter choices every single meal. Dr. Ravi Sishir Reddy explains how to use the glycemic index effectively, without letting it rule your life.

1. What Is the Glycemic Index (GI)?

The glycemic index measures how much a fixed amount (usually 50 grams) of carbohydrate from a food raises blood glucose compared to pure glucose (GI = 100). Foods are classified into three categories:

• Low GI: 55 or less — causes a slow, gradual rise in blood sugar. These are preferred for diabetes management.
• Medium GI: 56‑69 — causes a moderate rise.
• High GI: 70 or more — causes a rapid, sharp spike in blood sugar. These should be limited or combined with protein, fat, or fibre to blunt the response.

An important related concept is the glycemic load (GL), which accounts for both the GI and the actual amount of carbohydrate in a typical serving. GL = (GI × grams of carbs per serving) ÷ 100. A GL below 10 is low; above 20 is high. This is often more practical because some foods (like watermelon) have a high GI but contain so few carbs per serving that their overall effect is modest.

2. Glycemic Index of Indian Grains, Breads, and Cereals

Food	GI Value	Category	Notes
White rice (boiled)	70‑89	High	Choose brown or parboiled rice instead.
Brown rice (boiled)	50‑55	Low	Higher in fibre, better for blood sugar.
Whole wheat roti / chapati	52‑62	Low‑Medium	Varies with flour type; whole grain is lower.
Bajra (pearl millet) roti	49‑55	Low	Excellent low‑GI choice.
Jowar (sorghum) roti	49‑55	Low	Similar to bajra; high in fibre.
Ragi (finger millet) roti	50‑60	Low‑Medium	Good source of calcium and fibre.
Idli (rice‑urad dal)	60‑70	Medium	Fermentation lowers GI slightly; still moderate.
Dosa (rice‑urad dal)	60‑75	Medium‑High	The GI increases with thin, crisp dosas.
Whole wheat bread (brown bread)	55‑70	Medium	Check label: some "brown" breads are coloured white flour.
White bread / pav	70‑85	High	Made from maida; very high GI.
Oats (rolled, cooked)	55‑58	Low	Avoid instant oats, which have a higher GI.
Poha (flattened rice)	55‑65	Medium	GI depends on thickness; thicker is lower.
Upma (semolina/rava)	65‑75	High	Semolina is refined wheat; high GI.
Dalia (broken wheat)	48‑55	Low	Excellent high‑fibre, low‑GI option.

3. Glycemic Index of Common Indian Fruits

Fruit	GI Value	Category	Notes
Apple	36‑40	Low	Excellent choice; high in pectin fibre.
Pear	33‑38	Low	Very low GI; rich in fibre.
Guava	12‑24	Very Low	One of the best fruits for diabetes.
Orange	40‑45	Low	Good source of vitamin C and fibre.
Papaya	56‑60	Medium	Acceptable in moderation (1 cup).
Pomegranate	53‑55	Low	Rich in antioxidants; limit to 1/2 cup arils.
Banana (unripe / just ripe)	42‑51	Low	Choose firm, slightly green bananas over very ripe ones.
Banana (over‑ripe)	60‑70	Medium‑High	The riper the banana, the higher the GI.
Mango (ripe)	51‑56	Low‑Medium	Small slices are fine; don't eat a whole large mango.
Grapes	53‑59	Low‑Medium	High sugar content; limit portion to 10‑12 grapes.
Watermelon	72‑80	High	High GI but low GL per serving; limit to 1 cup.
Chikoo (sapota)	55‑60	Medium	High in natural sugars; limit to 1 small fruit.

4. GI of Indian Legumes, Vegetables, and Snacks

• Dals (moong, masoor, toor, chana): GI 22‑35 (Low) — legumes are among the lowest GI foods. Always include dal in your meals.
• Rajma (kidney beans), chole (chickpeas): GI 28‑35 (Low).
• Non‑starchy vegetables (bhindi, cabbage, cauliflower, lauki, spinach, cucumber, tomato): GI <15 (Very Low). These can be eaten freely.
• Potato (boiled): GI 70‑78 (High) — a significant source of rapidly absorbed starch. Limit or replace with sweet potato (GI 44‑54, Low).
• Deep‑fried snacks (samosa, pakora, vada): High GI due to refined flour base; the fat content delays but does not prevent the eventual glucose spike.
• Roasted chana: GI 28‑35 (Low) — an excellent snack for diabetics.
• Makhana (fox nuts): GI 35‑45 (Low) — a healthy, low‑GI snack when not fried in excess ghee.

5. How to Use GI in Everyday Indian Meals

• Don't obsess over the exact number: The GI of a food can vary based on ripeness, cooking method, and what else you eat with it. A roti eaten with dal, sabzi, and salad has a very different effect than a roti eaten alone.
• Combine high‑GI foods with protein, fat, or fibre: Adding dahi, dal, paneer, or a salad to a meal lowers the overall glycemic response.
• Choose whole grains over refined grains: Swap white rice for brown rice or millets. Use whole‑wheat atta instead of maida.
• Don't overcook grains: Overcooked rice or mushy roti dough digests faster and raises blood sugar more quickly.
• Add acidic ingredients: A squeeze of lemon juice, vinegar‑based dressings, or sour curd can slow carbohydrate digestion and reduce the post‑meal glucose spike.
• Use the plate method: Fill half your plate with low‑GI non‑starchy vegetables, one‑quarter with protein, and one‑quarter with a low‑GI whole grain or legume.

Dr. Reddy advises that GI is a helpful tool, but the total amount of carbohydrates you eat matters more than the GI alone. Focus on reducing refined carbs and increasing fibre, protein, and healthy fats for the best diabetes control.