India–China Relations (2024–26): LAC, Border Management & Strategic Implications

1. Why in News?

During 2024–26:

• Diplomatic & military talks continued over LAC disengagement.

• Infrastructure build-up along border intensified.

• Trade relations remained strong despite political tensions.

India–China relationship remains complex: cooperation + competition.

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2. What is LAC?

LAC = Line of Actual Control.

It is:

The de facto boundary between India and China.

Not mutually agreed upon.

Different sectors:

• Western (Ladakh)

• Middle (Uttarakhand/Himachal)

• Eastern (Arunachal Pradesh)

UPSC may test sectors.

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3. Key Agreements Between India & China

• 1993 Agreement on Peace & Tranquility

• 1996 Confidence Building Measures

• Subsequent border management protocols

These aim to prevent escalation.

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4. Key Issues

• Patrolling rights

• Infrastructure build-up

• Buffer zones

• Trade imbalance

Despite tensions, China remains major trading partner.

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5. Strategic Concepts

• Salami slicing

• Strategic autonomy

• Border infrastructure parity

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6. Static Linkage

Difference between:

• LAC

• LOC (Line of Control – India–Pakistan)

• International Boundary

UPSC loves mixing these.

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7. Impact on India

• Defence modernisation push

• Indo-Pacific alignment

• QUAD cooperation strengthening

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8. Prelims Angle

Likely traps:

• LAC separates which countries?

• Which sector includes which state?

• Difference between LAC & LOC?

• Agreements signed in which decade?

Statement-based question highly probable.

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9. Mains Angle

• Managing competition with China

• Balancing trade & security

• Border infrastructure strategy

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10. RBI Grade B Angle

• Trade imbalance

• Supply chain dependency