His themes come from personal interactions with its urban milieu - its sickness and sordidness, violence and vulnerability, and all that compounds its existential agony.

Regarding technique, Subhaprasanna boasts a precise, finely executed style that yields an unmistakable visual intensity.

He explains his thought process and philosophy as a painter, he notes: "What every creator wishes to achieve is a universal appeal.

Subhaprasanna's series of paintings, Icons and Illusions, marked a creative breakthrough for the artist in a number of ways.

Whereas he had been known in the past as an urban artist with subject matter that reflected the byways, alleyways, birds, and people of his native Kolkata, in this series he relished more in divinities and flowers.

His works have been exhibited extensively in India and internationally in the United States, Bangladesh, Singapore, France, Switzerland, and Germany.

[clarification needed] Since 2007, after his painting career was down, Shuvaprasanna's involvement in politics of West Bengal state increased.