Punjab State Power Corporation [PSPCL] — Higher charges then PSPCL rates by builder

Address: 140603

Builder savitry green 2 gazipur, zirakpur, mohali is charging rs 1200 per KW as connection service charges from flat owners, and they also enforcing to take minimum 8 kw load for 2BHK, which makes rs 9600,
what is the PSPCL connection service charge rate for domestic connection.
why the society flat owners are cannot be given PSPCL supply connections