Indian Oil Corporation has lined up investments of over Rs 2,200 crore in Tamil Nadu in the next two years towards taking up major grassroots and expansion projects in the state, a senior company official said on Tuesday. The projects include ‘grass-roots terminal’ at Asanur and Vallur, ‘captive petroleum’ project, oil and lubricant-LPG jetty at Kamarajar port among others, Indian OilCorporation Ltd executive director and Tamil Nadu State Head, V C Asokan told reporters here.