(a) the number and names of National Highways decided to be upgraded into four lane alongwith the amount sanctioned and released during each of the last three years and the current year, State-wise;  (b) the number of National Highways upgraded into four lane during the said period and the details of the National Highways pending for upgradation;  (c) the present status of four laning of National Highways in the country, State and NH-wise;  (d) the time by which the pending National Highways are likely to be upgraded;  (e) the extent of land required for the expansion of National Highways in the country, State-wise including Orissa and Kerala;  (f) whether the Government has received proposals from various State Governments for upgradation of State Highways into National Highways during the above period; and  (g) if so, the details thereof and the follow up action taken thereon, State-wise? ANSWER THE MINISTER OF STATE IN THE MINISTRY OF ROAD TRANSPORT AND HIGHWAYS  (SHRI R.P.N. SINGH)  (a) & (b) Details regarding four-laning projects awarded and under implementation on 34 National Highways by National Highways Authority of India (NHAI) during last three years and current year are enclosed as Annex I. No state-wise/project-wise allocation of funds is made by NHAI. Expenditure on projects is met out of overall allocation of funds to NHAI.  (c) State-wise, NH-wise details of four-laning completed projects are enclosed as Annex II.  (d) NHAI is implementing the National Highways Development Project (NHDP) scheme under which upgradation of national highways to 2/4/6/8 laning is being carried out under various phases of NHDP. Phase-wise details of NHDP alongwith anticipated completion date are enclosed as Annex III.  (e) Area of land required for expansion of National Highways in the country for projects being implemented by NHAI is enclosed as Annex IV.  (f) & (g) Expansion of National Highways Network is a continuous process and declaration of new National Highways is taken up from time to time depending upon requirement of connectivity, inter-se priority and availability of funds. State-wise details of the proposals received for upgradation of State Roads to National Highways and declared National Highways during last three years including current year are enclosed as Annex V.