Sahiwal, crossbreed sahiwal with jersey , Gir & murrah buffaloes

I wish to start up my dairy with sahiwal, crossbreed sahiwal with jersey , Gir & murrah buffaloes please guide me will it be suitable

I m about to start with 10 cows and 3 buffaloes… i wish to go with 3-4 sahiwal or sahiwal crossbreed ,1-2 gir  & 2-3 crossbreed hosltein & jersey, and rest 2-3 murrah buffaloes… will it be good to start dairy farm in such manner as my region is vidarbha & i need to to pay attention on climatic condition also

where will i get these pure sahiwal or crossbreed sahiwal …

i m available with crossbreed holstein as well as gir… but i m doubtfull regarding my sahiwal… n i m keen interested in sahiwal d most

please help me…