Part period interest in SBI home loan is the interest charged by the bank between the time period from the day of disbursement of the loan to the date when EMI starts. For example, if a borrower applies for a loan on December 21st and the EMI starts on January 2nd, then interest will be charged from December 22nd to January 1st, which is called part period interest. The interest is charged based on the time, rate, amount, and other aspects. Part period interest is a common practice among banks and financial institutions, and it is important for borrowers to understand this concept to avoid any confusion or unexpected charges.