you are in the best position to answer this question sir.
it really depends on the size of what you want..how big is ur shop space, how many systems ie computers do u want to start with,what will be the quality of your computers? are u planning to use desktop or flat screen monitors?what grade of cpu are u planning for, is it p1,p2,p3 or p4?
are u planning to install a mass or other satellite?there are diff ISP in the country, which one do u want to operate with? some charge 45,50 to 70k A MONTH depending on the quality of service you pay for.
Try to get PRACTICAL details and dont just wait for answers here..with at list 250k u should get 10cpus and monitor,,for the mass and others..1.2m should b sufficient 2c u thru