Apollo Micro Systems Limited is an electronic electro-mechanical engineering designs manufacturing and supplies company. The Company designs develops and sells high-performance mission and time critical solutions to Defence Space and Home Land Security for Ministry of Defence government controlled public sector undertakings and private sectors. The Company's customised solutions are developed using common hardware and software technology IP's which can be re-configured to suit the end application and domain requirements of end customer. The huge repository of knowledge and technology base that it has developed since inception is a strong base to outperform the competition and be abreast in the market. This supports the Company to constantly upgrade the technologies to meet present and futuristic requirements of their customers.The Company offers custom built COTS (Commercially off-the shelf) solutions based on specific requirements to defence and space customers. The systems undergo various stages of approvals right from design prototyping functional acceptance manufacturing and qualification testing. As the systems are exclusively developed for a programme the developed systems enjoy proprietary status. Thus specially developed and approved systems have no competition.The Company has its participation in several Indigenous Missile programmes underwater electronic warfare underwater missiles surface to air missiles nuclear missile programmes surface to surface missile programmes indigenous submarine programmes UAV's long and short endurance ships space programmes. The solutions offered by the company were used by its customers during development and user trials on account of which these solutions are qualified to be a part of supply chain in production phase. The defence and space solutions require expertise in advanced technology development and engineering knowledge to make the systems withstand harsh environmental conditions. The Company has proven track record of executing projects which are qualified in several programmes.The Company has diverse experience in Analog and Digital electronic systems varied communication protocols Field Programmable Gate Array ('FPGA') design embedded system software application software high speed printed circuit board ('PCB') design Signal Integrity analysis thermal analysis and mechanical engineering design product management quality management test engineering and reliability engineering.Apollo Micro Systems Limited was incorporated on March 3 1997 as a private limited company with the name 'Apollo Micro Systems Private Limited'.In 2000 the company supplied first indigenous Pay-Load Checkout system to ISRO replacing legacy imported systems. In 2004 the company received certificate of Quality System Assessment for design development and manufacturing of electronic systems including hardware and software in conformity with ISO 9001 and Q9001:2000. In 2006 the company supplied signal analyser cards to Naval Science and Technological Lab. In 2012 the company received certificate of conformity with ISO 9001:2008 for design development and manufacturing of electronic systems including hardware and software. During the year under review the company received certificate of registration as vendor of scientific instruments with Defence Laboratory Jodhpur.In 2013 the company received certificate of registration as vendor of electronics and control system with Defence Research and Development Organisation. During the year under review the company received certificate of registration as assembler manufacturer fabricator and service contractor with Defence Electronics Research Lab Ministry of Defence.In 2014 the company received certificate of registration as manufacturer with Naval Dockyard Visakhapatnam. During the year under review the company received certificate of registration as approved vendor for supplier of mechanical power transmission equipment metalworking machinery etc. with Research Centre IMARAT Hyderabad.In 2015 the company received certificate for recognition of organizing National Level Vendor Development Programme. The company crossed Rs 100 crore turnover mark during the financial year ended 31 March 2015. In 2016 the company got registered as a vendor of test equipment (outsourcing) with Hindustan Aeronautics Limited. During the year under review the company received management system certificate for conforming the quality management system standard ISO 9001: 2015 for design development and manufacturing of electronic systems including hardware and software.The Company was converted into a public limited company on April 1 2017 and subsequently the name of the Company was changed to 'Apollo Micro Systems Limited'. In 2017 the company received the design approval certificate from Centre for Military Airworthiness and Certification.On 25/09/2017 the company filed Draft Red Herring Prospectus and on 26/12/2017 filed Red Herring Prospectus with SEBI for raising Rs. 156.00 cr. The Issue dates were from 10/01/2018 to 12/01/2018 with Price Band of Rs. 270 to Rs. 275. The Issue got subscribed 250.71 times leading to its Issue Price being fixed at Rs. 275. The Shares got listed in BSE and NSE on 22/01/2018 at Rs. 478 which is 73.82% above Issue Price.On 8 May 2018 the company informed the stock exchanges that the Income Tax Appeal Instituted by the company dated 27th September 2016 against the order of Deputy Commissioner of Income Tax Circle-1(1) Hyderabad (the 'Assessing officer') is allowed and the Commissioner of Income Tax Hyderabad passed an order favoring the company and dismissed the penalty amounting to Rs 48.85 lakh levied u/s.271(1)(c) by the Assessing Officer on the company.