- Assistant Professor – PGIMER-2006-2009

 - Chief Urologist- Ramayya Hospital, Hydearabad- 2009-2014

 - Head of Department Urology-Yashoda Hospitals ,Hyderabad 2014-2017

- Kenya medical Council no.002631

- Medical Council of India, Maharashtra .# 88489

- Medical Council of Goa # 2617

- Medical Council Andhra pradesh 78818

- Member of USI (A-129 F)

- Member AGASSI(Andrological Society)

- Member of The Royal College of Surgeons of Edinburgh, UK

- Member of Society Urologia Internationalis (SUI)

- Member of National Academy of Medical Sciences MNAMS(General Surgery)

- Member of ISSM/APSSM

- Member of Publication Committee of APSSM

• Young investigator award” at association of clinical biochemists of India (ACBICON 2007) at New Delhi for “Heterogeneous and Differential Expression of CFTR Gene in Obstructive Azoospermia.”
• Faculty invited to deliver “Young Scientist Lecture” in 14th Biennial Meeting of the Asia-Pacific Society for Sexual Medicine at Kanazawa, Japan 31 nd May -2 nd June 2013.
• First prize for poster presentation at 2 nd Annual Emirates Urological Society Conference at Abudhabi (in collaboration with EUA) 14 -16 th November 2013.Poster: Thulium LASER enucleation and vaporization of prostate in patients on anticoagulants and antiplatelet agents.

• Acharya N, Mandal AK, Ranjan P, Kamat R, Kumar S, Singh SK.Labial fusion causing pseudoincontinence in an elderly woman. Int J Gynaecol 
  Obstet. 2007; 99:246-7.
• Naveen A, Singh SK, Ravi M, Santosh K, Mayank A, Mandal AK. Report of a Rare Case of Hydronephrotic Form of Multicystic Dysplasia with Ipsilateral Upper Segmental Megaureter In Adults. Hong Kong Journal of Nephrology, Volume 10, Issue 1, Pages 34-36
• Navchetan Mann, V Prabha, Shrawan K Singh*, Naveen C Acharya, Tanushree Gupta, P Dayal, Spermatozoal Immobilisation factor from staphylococcus VBaureus:Receptor-specific Interaction. RECEIVED BEST PAPER AWARD AUA 2008.
• Naveen A,Bansal R,Agarwal M,Santosh K,Singh SK,Mandal AK.Percutaneous nephrolithotomy: Surgical audit from a tertiary care center.Indian Journal of Urology. S25;Volume 24:2008
• N. Sharma; N. Acharya; S.K. Singh; M. Singh; U. Sharma; R. Prasad Heterogeneous spectrum of CFTR genemutations in Indian patients with congenital absence of vas deferens .Human Reproduction 2009; May;24(5):1229-36. 2009 Jan 30