“9. Sufficient cause is the cause for which defendant could not be blamed for his absence. The meaning of the word "sufficient" is "adequate" or "enough", inasmuch as may be necessary to answer the purpose intended. Therefore, the word "sufficient" embraces no more than that which provides a platitude, which when the act done suffices to accomplish the purpose intended in the facts and circumstances existing in a case, duly examined from the view point of a reasonable standard of a cautious man. In this context, "sufficient cause" means that the party should not have acted in a negligent manner or there was a want of bona fide on its part in view of the facts and circumstances of a case or it cannot be alleged that the party has "not acted diligently" or "remained inactive". However, the facts and circumstances of each case must afford sufficient ground to enable the Court concerned to