If you contribute on actual salary without restricting to Rs 15000, you can fill Rs 42000 in PF Salary I don't know what do you mean by Col C) and in such cases the PF contribution would be 12% of 42000, Rs 5040, Employer contribution to Pension Fund will be 8.33% PF Rs 15000 (till a final decision is made and system is adjusted accordingly by EPFO) Rs 1250, employer contribution to PF will be Rs 3790 (5040- 1250) and EDLI will be 0.5% of Rs 15000 or Rs 75.
On the otherhand, if your policy is to restrict the contribution to 12% of Rs 15000,make it as 1800 employees share to PF, 1250 (pension fund), Rs 550 employer's share to PF and EDLI Rs 75