Tax valuation is the process of determining the fair value of assets for the purpose of calculating applicable taxes such as capital gains tax, gift tax, income from other sources, wealth tax, or property tax.
You need tax valuation in the following situations:

Sale or transfer of property (for capital gains)

Gifts exceeding prescribed limits (Section 56(2) of Income Tax Act)

Inheritance or partition of assets

Filing tax returns with asset disclosures

Foreign asset declarations or visa purposes
Only a Government Approved Valuer like Dr. S. N. Bansal can issue certified reports that are accepted by:

Income Tax Department

Chartered Accountants for audits

Courts and government authorities
Land and buildings

Shares and securities

Jewellery and gold

Plant & machinery

Works of art, paintings, antiques
Accurate and certified tax valuation:

Supports tax return filings

Helps avoid under-reporting penalties

Stands as valid evidence in case of audits or notices

Assists in proper wealth distribution and planning