[Koha] how to insert new data in the koha

hi all i want to have some information regarding insert data in koha; thanks -- , ******************************************** * Sharad Kumar Sonker * * Trainee * * National Centere For Science Information * * Indian Institute Of Science * * Bangalore 560012 * * phone (080)3600271,3092511 * * Email sharad@ncsi.iisc.ernet.in * * sksonker@yahoo.co.in * * sharad_sonker@rediffmail.com * ********************************************