Dear Subhram
If this is a SAP system on ASE , please refer to these SAP notes:
1982469 - SYB: Updating SAP ASE with saphostctrl / sapdbctrl
2162735 - SYB: Performing a major ASE upgrade (Windows)
2162715 - SYB: Performing a major ASE upgrade (UNIX/Linux)
HTH
Tilman Model-Bosch