| Name of the Candidate | Party Name | Symbol allotted | Results |
| MAHESHWAR HAZARI | Janata Dal (United) | Won 84904 |
|
| PRINCE RAJ | Lok Jan Shakti Party | 47218 | |
| BINOD DAS | Independent | 9098 | |
| SHANKAR PASWAN | Independent | 5627 | |
| PREM KUMAR PASWAN | Independent | 4057 | |
| ABHAY KUMAR | Bahujan Samaj Party | 2502 | |
| JIBACHH PASWAN | Communist Party of India (Marxist-Leninist) (Liberation) | 1766 | |
| RAM BALAK PASWAN | Shivsena | 1646 | |
| RENU RAJ | Nationalist Congress Party | 1586 | |
| SANTOSH KUMAR PASWAN | National Janta Party (Indian) | 1554 | |
| VISHUNI PASWAN | Jharkhand Mukti Morcha | 1014 | |
| RAM PRASAD PASWAN | Hind Congress Party | 993 | |
| RAJKISHOR PASWAN | Bahujan Mukti Party | 830 | |
| NATHUNI PASWAN | Aap Aur Hum Party | 676 | |
| None of the Above | None of the Above | 4999 |
| AC No | Category | Poll Phases | Last Date of Nominations | Date of Polls | Result |
| 131 | (SC) | Phase I | Sep 23rd 2015 | Oct 12th 2015 | Nov 8th 2015 |
Kalyanpur (SC) Legislative Assembly Constituency is located in the Samastipur district and a part of the Samastipur Lok Sabha constituency named. Kalyanpur assembly constituency comprises the Pusa and Kalyanpur community development blocks. There are 2, 74,278 eligible voters, out of whom 1, 47,007 are men and 1, 27,268 are women in Kalyanpur (SC) legislative assembly segment. Only candidates belonging to the Scheduled Castes (SCs) can contest the elections for the Kalyanpur assembly seat.
Samastipur District is composed of Parliamentary (Lok Sabha) Constituency as well as Legislative Assembly Constituency of Bihar.
It is represented by Akhtarul Islam Sahin, who belongs to RJD in the state assembly elections.
In 2010 assembly elections, Akhtarul won Samastipur seat securing 42, 852 votes defeating JDU’s candidate Ramnath Thakur who managed to score 1,827 votes.
The Samastipur Constituency has total 2, 31,275 votes among them, 1, 25,103 are male votes while 1, 06,169 are female votes.
According to Delimitation Commission of India – 2008, it will consist of Adharpur, Baghi, Bherokhara, Shahpur Baghauni and Tajpur Gram Panchayat of Tajpur community development area, Samastipur community development area, along with Samastipur municipality.
Most of the young candidates got their tickets from smaller parties or are contesting as independents. Prince Raj, son of LJP MP Ramchandra Paswan, is contesting from from Kalyanpur in Samastipur. Prince Raj, 26, who is also a nephew of LJP chief Ram Vilas Paswan, will take on another uncle, Maheshwar Hazari of the JD(U). Prince Raj has a masters degree in international studies from the UK, Shashwat is contesting a seat once represented by his father. He is an MBA with an engineering degree from BIT Mesra and was working in Australia before joining politics.