These include a project for building a 48 km railway line for transportation of coal in Odisha.
"The construction arm of L&T has won orders worth Rs 4,006 crore across various business segments in the month of December '14 in both the domestic and international markets," the company said in a statement today.
Its transportation infrastructure business has secured orders worth Rs 2,053 crore, it said, adding a major order has been received from a reputed customer in Odisha for construction of 48 km of railway lines for the transportation of coal from coal mines for their thermal power station."
Scope of work also includes building a water pipeline along the railway line.
"A road project on EPC (engineering, procurement and construction) mode has been bagged from National Highways Authority of India (NHAI) for the development and up-gradation of the Bijapur-Gulbarga-Homnabad section of NH-218 in the state of Karnataka," it said.
Additional orders worth Rs 440 crore have also been received from ongoing domestic and international projects.
It said its water and renewable energy businesses have secured new orders worth Rs 729 crore.
Besides L&T Oman LLC, a subsidiary of L&T has received an order from Salalah Free Zone Company for the construction works of Adhan Phase 1A.
The company said the scope consists of building a potable water network, an irrigation water network, a storm water network, a sewer network, irrigation and firefighting reservoirs, pumping stations and control rooms.
Another order has been received from National Mineral Development Corporation Limited for the construction of an earthen reservoir, a raw water pump house, a water treatment plant & a distribution system for their integrated steel plant at Nagarnar, Chattisgarh.
Its renewable energy business has bagged a turnkey order from a reputed power developer for the construction of Solar PV Plants in Punjab.
The company's power transmission & distribution business has secured new orders worth Rs 668 crore.
Larsen & Toubro Saudi Arabia LLC, a fully owned subsidiary of L&T, has bagged orders from the National Grid, Saudi Arabia for construction of double-circuit transmission lines in Buraydah and Hail Areas of Saudi Arabia.
On the domestic front, the business vertical bagged an order from Uttar Pradesh Power Transmission Corporation Limited (UPPTCL) for the turnkey construction of 400 kv double circuit quad transmission lines between Banda-Orai and Banda-Allahabad regions of Uttar Pradesh.