Set the grill to heat up.
Skin and clean the pineapple. Slice them, Cut them longitudinally or dice them.
Skewer the pineapple chunks and set aside.
Mix the cinnamon and sugar in a bowl for the sweet rub.
Mix chaat masala and chilli in a separate bowl
Sprinkle the desired dry rub on the pineapple and rub it in gently.
Brush oil on the grill and set the prepared ones.
Allow it to grill till dark grill marks appear, turn it over and grill the other side.
Remove the grilled pineapples on to a plate and serve.