As a photographer and graphic artist, Sen's work is part of many professional print portfolios, magazine and newspaper pieces, book jacket covers, and private collections. His publications credits include: Hindu, Deccan Chronicle, New Indian Express, Swagat, Gallerie, Biblio, Prairie Schooner, Molossus, World Literature Today, Indian Design & Interiors, and others; plus books covers for publishers such as HarperCollins, Peepal Tree, Mulfran, Wings Press, Women Unlimited, Gallerie, Aark Arts, UPL, Bengal Gallery, and many others. He has also published two books of photography, Prayer Flag and Postcards from Bangladesh.
Sen is the first Asian to be honoured with an invitation to participate at the 2013 Nobel Laureate Week in St. Lucia, where he delivered the Derek Walcott Lecture and read his own poetry. A special commemorative edition of his work, Fractals: New & Selected Poems| Translations 1978-2013, was released by Walcott himself in the presence of H.E. Dame Pearlette Louisy, Governor General (President) of St Lucia. The Government of India Ministry of Culture’s awarded him the senior fellowship for “outstanding persons in the field of culture.”
Sen’s numerous honors and awards include fellowships from Hawthornden, Bread Loaf, Pleiades, Ledig House, and the Dutch Foundation for Literature. He has been a visiting scholar at Harvard and an international writer-in-residence at the Scottish Poetry Library.
Sen divides his time between New Delhi, London, and New York.