It is also known as City of Pearls

It is the capital of Tamil Nadu and known as Detroit of India It is primary port city in south India It has GDP of 66 Billion USD It is ranked 93rd in worlds most developed cities It contributes of major industrial in  automobiles, software services, medical tourism, hardware manufacturing, and financial services It is 2nd largest IT service exporter It is Biggest electronic exporter accounting 50% of Indian total exports It has headquarters of  giant automobile companies like Ford, Nissan, BMW Ahmedabad It is the capital of Gujarat It is ranked among the top 10 fastest developing cities in world It has GDP of 52 Billion USD It is ranked 105th in worlds most developed cities It is the largest supplier of denim, gems and jewelry Major companies in Ahmedabad are Adani Group, Nirma, Arvind Mills, Cadila and Torrent Pharmaceutical Pune Pune is seen a huge number of rise in IT and automobile office It has GDP of 48 Billion USD It is ranked 108th in worlds most developed cities It became hub of mid-level IT companies With over 250 German companies in Pune , it has been the single largest hub for German industries  Surat It is known as the Diamond hub of the world It has a GDP of 40 Billion USD 90% of total rough diamonds in the world are cut and polished here It has major textile industries with 380 dyeing and printing mills along with 41 thousand power looms 40% of Indian artificial fabric come from here .Visakhapatnam Popularly known as Vizag It has countries oldest shipyard and largest seaports making it India’s Biggest port It has a GDP of 26 Billion USD It is ranked 133rd in worlds most developed cities It is largest exporter of fish in India Major companies here are GAIL, Vizag Steel and Hindustan Steel