Types of Bonds in India: Government, Corporate, and Special Structures Explained

When you first start exploring the bond market, one question naturally comes up:

If all bonds follow the same basic contract lending money in return for interest and principal repayment why are there so many types of bonds?

The answer is simple.

Different issuers have different borrowing needs.

Different investors have different risk preferences.

So bonds are structured in multiple ways even though the core idea remains the same.

Let’s walk through the main types of bonds in India and understand why each one exists.

Government Bonds (G-Secs)

Government bonds, also called Government Securities (G-Secs), are issued by the Central Government of India.

The government uses these bonds to fund:

• Infrastructure

• Development programmes

• Fiscal expenditure

These bonds are issued across different maturities. Some mature in a few years, while others run for decades.

Because they are backed by the sovereign, they operate under clearly defined and regulated processes.

Treasury Bills (T-Bills)

Treasury Bills are short-term government borrowing instruments.

Unlike regular bonds, T-Bills do not pay periodic interest. There is no coupon.

Instead:

• They are issued at a discount

• They are redeemed at full face value

The difference represents the return.

Treasury Bills typically mature within one year and are used for short-term funding requirements.

State Development Loans (SDLs)

State governments also raise funds through bonds called State Development Loans (SDLs).

These are issued by individual state governments to finance:

• Budgetary needs

• State-level development projects

Structurally, they are similar to other government securities. The key difference lies in the issuer the state government instead of the central government.

Corporate Bonds

Corporate bonds are issued by companies to raise funds for business purposes.

This may include:

• Business expansion

• Project financing

• Refinancing existing debt

Corporate bonds can vary significantly in structure depending on the company’s financial profile and regulatory framework.

Secured vs Unsecured Bonds

One key distinction in corporate bonds is whether they are secured or unsecured.

Secured Bonds

A secured bond is backed by specific company assets.

These assets are pledged as collateral. If repayment issues arise, bondholders have a legal claim over those assets.

Unsecured Bonds

An unsecured bond is not backed by specific assets.

Repayment depends entirely on the overall financial strength and creditworthiness of the company.

Senior and Subordinated Bonds (Seniority)

Within a company’s capital structure, not all debt is treated equally.

Senior Bonds

Senior bonds have higher repayment priority.

In case of financial stress, these bondholders are paid before others.

Subordinated Bonds

Subordinated bonds rank lower in priority.

They are repaid only after senior obligations have been met.

Same borrower. Different repayment order. That is seniority.

Compulsorily Convertible Debentures (CCDs)

A Compulsorily Convertible Debenture (CCD) is a hybrid instrument between debt and equity.

At issuance, it works like a bond. The investor lends money under defined terms.

However, under pre-specified conditions, the debenture must convert into equity shares.

Key features:

• Conversion is mandatory

• Conversion ratio is defined upfront

• It may carry interest until conversion

Once converted, the instrument ceases to exist as debt. The investor becomes a shareholder.

Companies often use CCDs when they need funding today but intend to offer equity participation later.

Market Linked Debentures (MLDs)

Market Linked Debentures (MLDs) are structured debt instruments.

Unlike traditional bonds, their return is not fixed.

Instead, returns are linked to:

• Equity indices

• Interest rate benchmarks

• Other market indicators

The payoff formula is defined at issuance.

Principal may be protected, partially protected, or structured differently depending on the design.

While classified as debt, MLDs behave differently because returns depend on market performance.

Green Bonds

Green bonds are standard debt instruments where the use of funds is specifically allocated to environmentally beneficial projects.

Structurally, they function like any other bond:

• Funds are borrowed

• Interest is paid

• Principal is repaid

The difference lies in the purpose of the proceeds.

Funds are used for:

• Renewable energy

• Clean transportation

• Energy efficiency

• Climate initiatives

The structure remains the same. The intent changes.

Why So Many Types of Bonds Exist

When you see different bond types, do not think of them as complex or unrelated products.

They are variations built around the same simple contract.

Different issuers.

Different funding needs.

Different investor preferences.

Same core logic.