The company had sold 2,080 vehicles in May 2013, Nissan Group of India said in a statement.
The newly launched brand Datsun GO contributed 1,992 units, it added.
Commenting on the sales performance, Nissan Group of India President Kenichiro Yomura said: "Our sales performance has been encouraging since the start of FY'14 and our aim is to continue to remain progressive on our performance.
He further said: "Our business imperatives are being fine-tuned by expanding our dealer and service reach, enhancing our after-sales operations and introducing new, exciting products.
While Terrano and Datsun GO are performance drivers, the new Sunny and Datsun GO+ are on the anvil, he added.