301.

X is nicknamed by friends as Magus. X started Microcomp a company selling teledigital calculators under the brand name "Televista". X started Y in 1976 along with 8 others and also also included the Uttar Pradesh Government as an equity partner.Y reported a revenue of Rs 1 million in the first year of its inception itself. X was awarded Padma Bhushan in 2008. X also started Z along with Rajendra Pawar, Vijay Thadani and S Rajendran in 1981. Z provides training for individuals, enterprises, schools and colleges and has its presence in 40 countries worldwide. Y had consolidated revenues of US$3.7 billion, as on 30 Sept 2011 and employs more than 80,520 people of diverse nationalities.Identify X,Y and Z.