435 FINANCIAL STATEMENTS | Consolidated Accounts Rupees crores Particulars Funded Plan Unfunded Plans Gratuity and pension plans Gratuity and pension plans Post retirement medical benefits Post retirement housing allowance 2026 2025 2026 2025 2026 2025 2026 2025 (iv) Changes in fair value of plan assets Opening fair value of plan assets.......................................................... 1,444.82 1,389.85 — — — — — — Interest income.................................... 89.68 87.29 — — — — — — Return on plan assets excluding interest income.................................... 23.95 14.67 — — — — — — Contributions by employer............ 177.57 96.32 — — — — — — Benefits paid.......................................... (160.79) (151.35) — — — — — — Business combination...................... 56.08 — — — — — — — Foreign exchange translation difference.................................................. 4.57 8.04 — — — — — — Closing fair value of plan assets.......................................................... 1,635.88 1,444.82 — — — — — — (v) Net defined benefit obligation Defined benefit obligation............ 1,865.43 1,431.93 267.71 259.65 31.51 35.66 133.55 124.71 Fair value of plan assets ............. 1,635.88 1,444.82 — — — — — — Surplus/(Deficit)................................... (229.55) 12.89 (267.71) (259.65) (31.51) (35.66) (133.55) (124.71) Current portion of the above.... (33.12) (40.95) (142.72) (24.35) (2.92) (2.81) (8.63) (8.63) Non current portion of the above........................................................... (196.43) 53.84 (124.99) (235.30) (28.59) (32.85) (124.92) (116.08) Particulars 2026 2025 (vi) Actuarial assumptions Discount rate (%)..................................................................................................................................................................................................... 2.64-7.74 1.67-29.32 Attrition rate (%)...................................................................................................................................................................................................... 1.54-56.00 1.45-83.05 Cost inflation (%)...................................................................................................................................................................................................... 7.00-9.00 7.00-9.00 (vii) Quantitative sensitivity analysis for impact of significant assumptions on defined benefit obligation are as below: One percentage point increase in discount rate................................................................................................................................ (237.54) (191.62) One percentage point decrease in discount rate.............................................................................................................................. 275.09 216.77 One percentage point increase in salary growth rate................................................................................................................... 237.16 177.91 One percentage point decrease in salary growth rate.................................................................................................................. (207.87) (160.02) One percentage point increase in attrition rate................................................................................................................................. (96.01) (76.99) One percentage point decrease in attrition rate............................................................................................................................... 104.07 80.52 One percentage point increase in medical inflation rate............................................................................................................. 2.29 3.36 One percentage point decrease in medical inflation rate........................................................................................................... (5.28) (2.86) 37. Employee Benefits (Continued) (c) Details of defined benefit plans as per actuarial valuation are as below: (Continued)
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