Siva has received the following honors and awards:
- Finalist, Juried Exhibition of Oil Painters of America, Eastern Region, Orleans, MA, USA, 2011
- Finalist, 20th Annual National Juried Exhibition of Oil Painters of America, Coeur d' Alene, Idaho, USA, 2011
- Finalist (FAV15%) in the October 2011 BoldBrush Painting Competition, USA, 2011
- Finalist (FAV15%) in the September 2011 BoldBrush Painting Competition, USA, 2011
- Honorable Mention, Marietta/Cobb Museum of Art - Fall Juried exhibition of Portrait Society of Atlanta, 2010 (Juror: Burton Silverman)
- Third place, Marietta/Cobb Museum of Art - Atlanta Fine Arts League members show, 2010
- Vamsee award for excellence in painting, 2005
- Juried member, Portrait Society of Atlanta, 2005
- Finalist, 2005 "Drawings Only" Juried Exhibition, Portrait Society of Atlanta. (Juror: William Mauhan)
- Finalist, Fall 2004 Juried Exhibition, Portrait Society of Atlanta. (Juror: Everett Raymond Kinstler)
- Finalist, Spring 2004 Juried Exhibition, Portrait Society of Atlanta (Juror: Margaret Carter Baumgaertner)
- Represented I.I.T., Kharagpur at the Inter I.I.T. Art Exhibition held in I.I.T. Kanpur, India, 1975
- Gold medal for oil painting (landscape), I.I.T., Kharagpur, India, 1974
- Bronze medal for graphite drawing, I.I.T., Kharagpur, India, 1974
- Certificate of Merit in Art competition, Bhimavaram, Andhra Pradesh, India, 1965
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