Hi everyone I am using a multiplier of 2 for pfet3v3 , but it is not working in xschem, to clarify working I put 2 pfet3v3 parallel they are working but multiplier of 2 or whatever value more than 1, tool doesn't count them rather take them as 1.

It's a known issue that multipliers are not accounted for, see this git hub issue(https://github.com/google/gf180mcu-pdk/issues/88) . You can use total width and number of fingers in xschem to set finger width. In xschem,

fw=W/nf