Applicability of tds for tod-turnover discount

Dear team

Subject: Applicability of TDS for TOD-Turnover Discount

For promoting of sales  we give the TOD to custoemr end of the financial year,We have the TOD structure( % calculated on sales value)subject achevmetn of monthly sales certain % accrued based on custoemr sales.Examble A sales to B Rs.100 for 150 MT, A give the 2% TOD on sales after Achieveing of 100MT, company to pay end of the year to A Rs.2

I let me advice to us  applicability of TDS  and what section.