1991 - 94 Vegetal luxuriance in watercolor
At this period Sen started to make enormous sizes of water colours with free brush strokes. His subjects were compositions of nature, women and different movements of horses. Sen spent enormous time in Kolkata Government Art College and Ecole des Beaux Arts in Paris to study the woman nude. He restarted, and continues drawing different types of human and animal postures with water colours and charcoal.