An amount of something that is more than what is needed.

Excess supply.

अतिरिक्त आपूर्ति

English Usage: Due to surplus stock, discounts were offered to attract customers.

Hindi Usage: अतिरिक्त आपूर्ति के कारण ग्राहकों को आकर्षित करने के लिए छूट दी गई।