There are a million recipe mixes to make meat masala depending on the country, state, region or even the household you are coming from.
Here is one that I frequently use. Amongst shop brought meat masala's I luv Ann's meat curry masala the best.
Dried chilli flakes - 1 tsp
Coriander seeds - 1 tsp
Ground turmeric - 1 tsp
Black peppercorns - 5
Cumin seeds (jeerakam) - 1 tsp
Fennel seeds ( perum jeerakam) - 1 tsp
Cinnamon - 1 inch piece
Cloves - 4
Cardamom seeds - 4
Place all the spices into a dry frying pan and heat until lightly toasted. Remove the spices from the pan, let it cool down and then grind to a fine powder.
This stores for up to one month.