Present-value comparison for any big asset decision
Buy — present-value cost
₹18.22 L
Cost ₹20.00 L − PV of salvage ₹1.78 L
Lease — present-value cost
₹19.32 L
₹42.0K/mo for 60 months, discounted
Buy is cheaper in present-value terms by ₹1.10 L over 5 years.
This compares pure cost of capital. Leasing also preserves cash and can be off-balance-sheet; buying builds an asset and captures depreciation tax shield. Factor those in before deciding.