tcs - The Complete System. The Complete System (TCS) was first introduced 8 years back in 2011 for 11th & 12th Science English medium. After achieving excellent results in 11th & 12th Science for 4 consecutive years, it was introduced for the students of English medium of 9th & 10th at Shannen School (GSEB), Fatehgunj. The Core team to teach and manage 11th & 12th Science are very experienced subject teachers of NEET, JEE (Mains), GUJCET and are working together for more than 13 years at INSPIRONS ACADEMY OF SCIENCE (IAS) having centres at Karelibag, Nizampura and Ellorapark areas in Vadodara. We proved ourself by our progress in past few years...