WILL finance minister Yashwant Sinha's Triple-S formula (Saral-Samman-Samadhan) to raise tax revenues by 30 per cent succeed? Especially the Samadhan scheme which is meant to speed up settlement of pending tax litigation. According to revenue secretary N.K. Singh, over 4.5 lakh cases involving Rs 40,000 crore, Rs 12,000 crore of which are stuck in roughly 1.5 lakh excise and customs cases alone, are still locked up in various stages.