Couldn't find Country Code While Creating Plant

Dear Gurus,

Am Working on development server now.we have copied company code 0001 to our company code. but while defining plant i couldnt find country code IN in country list. its showing only US. remaining all others are shaded out.

can anyone tel the reason ?? i have cross checked everything . Everywher i could find IN . but here only i couldnt find IN.

plz explain...............

thx in advance................