it benchmarks computation of the perquisite with reference to the SBI’s PLR. SBI is the largest bank in the country and the interest rates fixed by them invariably impact and affect the interest rates being charged by other banks. By fixing a single clear benchmark for computation of the perquisite or fringe benefit, the rule prevents ascertainment of the interest rates being charged by different banks from the customers and, thus, checks unnecessary litigation. Rule 3(7)(i) ensures consistency in application, provides clarity for both the assessee and the revenue department, and provides certainty as to the amount to be taxed. When there is certainty and clarity, there is tax efficiency which is beneficial to both the tax payer and the tax authorities. These are all hallmarks of good tax legislation. Rule 3(7)(i) is based on an uniform approach Civil Appeal No. 7708 of 2014 & Ors. Page 16 of 17and yet premised on a fair determining principle which aligns with constitutional values.