Following is an excerpt from http://orissadiary.com/CurrentNews.asp?id=22808.

As announced in the last Railway Budget, Ministry of Railways has decided to introduce three new trains in East Coast Railway jurisdiction. Puri-Howrah-Puri daily Duronto Express will be introduced from 7th December 2010; Sambalpur-Howrah-Sambalpur weekly Express from 10th December & Puri-Digha-Puri weekly express will be introduced from 11th December 2010.
 
2278 Puri-Horah Duronto Super Fast Express will leave Puri at 06.45a.m and will arrive at Howrah at 01.45p.m. In the return direction, 2277 Howrah-Puri Duronto Super Fast Express will leave Howrah at 02.25p.m and will arrive at Puri at 09.40p.m. This train has One AC Chair Car, 11 Second Class Chair Car and Two Guard vans having no intermediate stoppage.
 
2586 Sambalpur-Howrah weekly Super Fast express via Angul & Bhadrak will leave Sambalpur at 07.55p.m. on Fridays and will arrive at Howrah at 07.05a.m. on the next days. Similarly, in the return direction, 2585 Howrah-Sambalpur weekly Super Fast express via Bhadrak and Angul will leave Howrah at 08.55p.m on Saturdays and will arrive at Sambalpur at 08.10a.m. on the following days. This train has One AC-2 tier, One AC-3 tier, Six Sleeper Classes, Six General Second Class Coaches and Two Guard cum Luggage vans in its composition having stoppages at Rairakhol, Boinda, Angul, Talcher Road, Dhenkanal, Jajpur Keonjhar Road, Bhadrak, Balasore and Kharagpur between Sambalpur and Howrah.
 
2580 Puri-Digha weekly Super Fast express will leave Puri at 11.35p.m on Saturdays and will arrive at Digha at 09.30a.m on the next days. In the return direction, 2579 Digha Puri weekly Super Fast express will leave Digha at 05.15p.m. on Sundays and will arrive Puri at 03.20a.m. on the following days. This train has One AC-2 tier, One AC-3 tier, Eight Sleeper Classes, Six General Second Class Coaches and Two Guard cum Luggage vans in its composition having stoppages at Bhubaneswar, Cuttack, Jajpur Keonjhar Road, Bhadrak, Balasore, Kharagpur, Panskura, Tamluk and Kanthi between Puri & Digha. But presently this train will have One AC-2 tier, One AC-3 tier, Five Sleeper Classes, Three General Second Class Coaches and Two Guard cum Luggage vans in its composition.

I am expecting the Sambalpur-Howrah via Angul weekly express to be made daily in the coming years as it newly connects Sambalpur, Angul,Talcher and Dhenkanal to Jajpur Keonjhar Road, Bhadrak, Balasore and Kharagpur and Angul,Talcher and Dhenkanal to Howrah.