Slice the idlis length wise.
Sprinkle the Tandoori powder, put these in a box & shake well so that the mix coats well on the idly pieces.
Leave this for upto 10-15 minutes.
In a pan, shallow fry the idli pieces till both sides are crunchy & crispy.
Serve hot with sauce. Note that if you leave it to cool, the pieces may lose crispiness.
Other variations can also be tried with left over idlis.
Sprinkle and coat with little chilly powder & garam masala powder and fry after sometime.
Fry the sliced idly pieces, sprinkle Chutney powder or chatt masala while hot and serve.
These can be served with sambar instead of sauce.