M/s X is registered service provider with premices code 123456 in the year 2008-09
but it applied for inclusition of another service and surrenderd the above certificate
and department issued a new modified certificate dt 20/02/2009 to M/s X , containing premises code as 987456
now i want to file a return from 01/04/2008 to 31/03/2010
please tell me
which premises code should I fill in the returns?