Tathva NIT Calicut | 1,391 followers on LinkedIn. Annual Techno-Management fest of NIT Calicut | Tathva, the techno-management fest of NIT Calicut is one of south India's biggest scholastic endeavours. Since its inception in 2000, this annual symposium has known only growth and has flourished into one of the few promising enterprises the nation has witnessed. Pushing the barriers year after year, Tathva aims at providing a plethora of platforms to the intrigued technical heads that arrive at this fiesta with an array of events and workshops, to sharpen their skills and widen their knowledge quotient.