Tata Chemicals posted a marginal fall of 5 per cent in the fourth quarter ended March 31, at Rs 139 crore against Rs 146 crore in the year-ago period. R Mukundan, MD, Tata Chemicals told NDTV Profit that the company witnessed balanced growth in FY12. "Rupee's depreciation is a concern for Indian businesses. We expect Rs 100 crore turnover from the pulse business. We also expect our input costs to come down in FY13," he added.