Chop the Paneer into cubes and wash it well, in a big bowl add in Curd, to this add in Red Chilli powder, Ginger Garlic paste, Coriander powder, Amchur powder, Pepper powder, Garam Masala, Turmeric powder, and salt.
Mix everything till it is combined fully. Now add in the cubed paneer and marinate it for about 2 hours.
After marinating for 2 hours take a pan add in oil and shallow fry the marinated paneer until crisp. Alternatively, it can also be grilled instead of frying. Drain in a paper towel to remove the excess oil.
Now take a pan add in oil once it heats up add in Cumin Seeds and then add in the chopped onions and fry till they become glossy and then add in the chopped capsicum.
Now add in 2 tbsp of the masala used for marinating the paneer, mix well and then add in Chilli powder and salt if reqd and the grilled Paneer, Mix well and then fry in a low flame for 5 mins and then switch off the stove. Now the filling for Tandoori Paneer Samosa is ready.
Take the Samosa and roll it as shown in the image it is similar to a cone and the stuff with the prepared Tandoori Paneer Samosa and then seal the edges.
Take 2 tbsp maida in a bowl add in water and form a paste use this paste to seal the samosa edges. Repeat the same process for all the sheets. In a Pan heat in oil for deep frying.
Once the oil becomes hot deep fry the samosa until golden brown on a medium flame and then strain using a paper towel. Serve hot with Sauce.