Hi @vadivel

If you are calling search by yourself you could pass the order that you need like:

posted_depreciation_line_ids = depreciation_lin_obj.search(cr, uid, [('asset_id', '=', asset.id), ('move_check', '=', True)],order='depreciation_date desc')

I include the method doctring that parse and generate the order by based on the order argument of the search method:

    def _generate_order_by(self, order_spec, query):
        """
        Attempt to consruct an appropriate ORDER BY clause based on order_spec, which must be
        a comma-separated list of valid field names, optionally followed by an ASC or DESC direction.

        :raise" except_orm in case order_spec is malformed
        """