in a bowl mix together milk powder, maida and 3/4 cup of ghee - oil mix
add sugar into a heavy bottomed vessel
add 3/4 cup of water
turn on the flame and stir until the sugar get dissolved
now allow it to boil until it reaches one string consistency (boil for about 5 minutes on medium heat )
you can check the stage of sugar syrup by dropping it in a bowl of water; when you drop a little syrup, if it dissolve immediately ,continue boiling; if the drop of sugar syrup settles at the bottom of bowl ,it is the correct stage.
when the sugar syrup is ready add the milk powder - ghee mix in it and stir well until bubbles appear
divide the ghee oil mix into 4 portions and add 1/4 portion of ghee - oil mix and stir well
stir until the ghee get absorbed
again add 1/4 of ghee - oil mix and stir until it got absorbed
again add 1/4 portion and stir well
now stir until the mix got a light golden shade ( about 5 minutes )
now turn off the heat and add the remaining ghee - oil mix
stir again for 2 minutes until
now transfer into the prepared tin and level the top
boil the syrup until it reaches the 'gathering stage.'
to check the consistency drop a little sugar syrup in a bowl of water;if it settles at bottom and you can gather it with your fingers, it reached the disired consistency (gathering stage).
now add butter and let it dissove completely
next add the milk powder in two batches and stir until combined well;it is better to use a silicon spatula at this time
quickly transfer the mix into a chocolate bar mould and allow it to cool completely