Aug 1997 to Dec 2000 : Thesis entitled 'A clinical study of recurrent inguinal hernia'
Jan 2001 to June 2001 : Senior Research Officer at Mulaji Bhai Patel Urology Hospital, Nadiad, Gujarat, India.
Conducted trial "Randomized double blind placebo controlled trial on newer alpha blocker (Rbx 2258) in LUTS due to BPH"
Comparison of Saw palmetto and alfa blockers in LUTS
Randomized trial of TUNA versus alpha blockers for LUTS
July 2001 to Jan 2002 : Maintained follow up and data of “Multicenter randomized trial on TURP and Transurethral Ethyl Alcohol Injection in Prostate”
Principle investigator : Comparison of fosfomycin single dose and conventional 3 days therapy in acute uncomplicated UTI
Assistant Investigator : Baftinibe in Harmone refractory prostate cancer
=> Anil Mandhani, Devendra Kumar, Anant Kumar, Rakesh Kapoor, Deepak Dubey, Aneesh Srivastava, Mahendra Bhandari. Safety profile and complications of transperitoneal laparoscopic pyeloplasty: A critical analysis. Journal of endourology(2005); 19(7):797-802
=> Anil Mandhani, Devendra Kumar, Anant Kumar, Rakesh Kapoor, Deepak Dubey, Aneesh Srivastava, Mahendra Bhandari .Technical steps to reduce operative time in laparoscopic pyeloplasty. Urology 2005;66(5):981-984
=> Anees Shrivastava, Vishwajeet Singh, Devendra Kumar, Anant Kumar and RK Sharma. Does Mycophenolate Mofetil decreased the recurrent acute rejection in renal transplant recipients. International Urology and Nephrology 2005;37: 615-619
=> Sehgal A, Raghvendran M, Kumar D, Srivastava A, Dubey D, Kumar A. Rhino cerebral mucormycosis causing basilar artery aneurysm with concomitant fungal colonic perforation in renal allograft recipient: a case report. Transplantation. 2004 Sep 27;78(6):949-50
=> Rakesh Kapoor, Devendra Kumar Sharma, Kamaljeet Singh,Amit Suri, Pratipal Singh, Himanshu Chaudhary, Deepak Dubey, Anil Mandhani. Sigmoid Vaginoplasty:Long term results: Urology 2006;67:2012-15
=> Kumar D, Mandhani A, Sehgal A, Dubey D, Kumar A. Complications of retroperitoneal lymph node dissection in germ cell tumor of testis: a single center experience. Indian Journal of Urology
=> Bansal P, Kumar A, Shrivastava A, Kumar D, Mandhani A, Bhandari M. Laparoscopic Radical Nephrectomy: Our Initial Experience. IJU April, 20(2); 2004
=> Tripathi DM, Shrivastava A, Kumar D, Kumar A, Sharma RK, Bhandari M.Erectile dysfunction after renal transplantation: a cross sectional study in northern India. Indian Journal of Nephrology Jan 2003; 13: 20-23
=> Dr Vishwajeet Singh, Dr Devendra Kumar, Dr Anees Shrivastava. Hemetemesis & melena as initial presentation of metastaticgerm cell tumor of the testis: A case report. IJU Sept. 2005 (54-55)