i want an model of solvency certificate

You cannot buy a house unless you have financial solvency.

The term 'solvency' means the ability to meet maturing obligations as they come due

Degree of solvency can be calculated using the formula Degree=(assets on a solvency basis-reduction+special amortization payments)/(liabilities on a solvency basis-reduction). Here reduction is said to be the sum of interest on transfers and contributions, plans, voluntary contribution and plan's defined contribution component.

The phenomenon of increasing solubility of poorly soluble substance by the used of more then one solvent is known as co-solvency.