Capitalised value of firm =2,40,000*100/12=20,00,000
Capital employed =Capital of Raju+ Capital of Rinku + General reserve – P&L (Dr)
= 5,50,000+ 6,50,000+3,00,000-1,00,000= 14,00,000
Goodwill= Capitalised value – Capital employed= 20,00,000-14,00,000= Rs. 6,00,000