In these election Indian National Congress was the front runner. Other parties were also in the fray.
Shyama Prasad Mookerjee founded the Jana Sangh in October 1951. Dalit leader B. R. Ambedkar revived the Scheduled Castes Federation (which was later named the Republican Party). Other parties which started coming to the forefront included the Communist Party of India, the Kisan Mazdoor Praja Parishad, whose prime mover was Acharya Kripalani; the Socialist Party which had Ram Manohar Lohia and Jay Prakash Narayan's leadership.
The first general elections, which were conducted for 489 seats in 401 constituencies, represented 26 Indian states. At that time, there were 314 constituencies with one seat, 86 with two seats and one with three seats.The multi-seat constituencies were abolished in the 1960s. There were also 2 nominated Anglo-Indian members.
Parties that contested elections
NATIONAL PARTIES
1 . BJS ALL INDIA BHARTIYA JAN SANGH
2 . BPI BOLSHEVIK PARTY OF INDIA
3 . CPI COMMUNIST PARTY OF INDIA
4 . FBL(MG) FORWARD BLOC (MARXIST GROUP)
5 . FBL(RG) FORWARD BLOC (RUIKAR GROUP)
6 . HMS AKHIL BHARATIYA HINDU MAHASABHA
7 . INC INDIAN NATIONAL CONGRESS
8 . KLP KRISHIKAR LOK PARTY
9 . KMPP KISAN MAZDOOR PRAJA PARTY
10 . RCPI REVOLUTIONARY COMMUNIST PARTY OF INDIA
11 . RRP AKHIL BHARATIYA RAM RAJYA PARISHAD
12 . RSP REVOLUTIONARY SOCIALIST PARTY
13 . SCF All INDIA SCHEDULED CASTE FEDERATION
14 . SP SOCIALIST PARTY
OTHER STATE PARTIES
15 . AMN ALL MANIPUR NATIONAL UNION
16 . APP ALL PEOPLES PARTY
17 . CNSPJP CHOTA NAGPUR SANTHAL PARGANAS JANTA PARTY
18 . CP COCHIN PARTY
19 . CWL COMMON WEAL PARTY
20 . DCL PUNJAB DEPRESSED CLASS LEAGUE
21 . GP ALL INDIA GANTANTRA PARISHAD
22 . GSS GANDHI SEBAK SEVA
23 . HPP HILL PEOPLE PARTY
24 . HR HISTORICAL RESEARCH
25 . HSPP HYDERABAD STATE PRAJA PARTY
26 . JHP JHARKHAND PARTY
27 . JUSP JUSTICE PARTY
28 . KJD KHASI-JAINTIA DURBAR
29 . KJSP KISAN JANTA SANYUKTA PARTY
30 . KKP KAMGAR KISAN PAKSHA
31 . KMM KISAN MAZDOOR MANDAL
32 . KNA KUKI NATIONAL ASSOCIATION
33 . KSP KERALA SOCIALIST PARTY
34 . LSS LOK SEWAK SANGH
35 . M L MADRAS STATE MUSLIM LEAGUE PARTY
36 . NAT NATIONAL PARTY OF INDIA
37 . PDF PEOPLES DEMOCRATIC FRONT
38 . PP PRAJA PARTY
39 . PURP PURSHARATHI PANCHAYAT
40 . PWP PEASANTS & WORKERS PARTY
41 . REP All INDIA REPUBLICAN PARTY
42 . RPP All INDIA REPUBLICAN PARTY
43 . RSP(UP) U.P. REVOLUTIONARY SOCIALIST PARTY
44 . SAD SHIROMANI AKALI DAL
45 . SKP S.K. PAKSHA
46 . SKS SAURASHTRA KHEDUT SANGH
47 . TNT THE TAMIL NAD TOILERS PARTY
48 . TP TAMIL NAD CONGRESS PARTY
49 . TS TRIBAL SANGHA
50 . TTC TRAVANCORE TAMIL NAD CONGRESS PARTY
51 . UKS ALL INDIA UNITED KISAN SABHA
52 . UPPP U.P. PRAJA PARTY
53 . ZP ZAMINDAR PARTY
INDEPENDENTS
54 . IND INDEPENDENT
Voting Percentage 45.7
Congress got 44.99% of the votes polled - 364 seats
Socialist Party got 10.59% - 12 seats
Kisan Mazdoor Praja Party got 5.79% - 9 seats
Communist Party of India got 3.29% - 16 seats
Bharatiya Jana Sangh got 3.06% - 3 seats
Scheduled Caste leader and the creator of the constitution B. R. Ambedkar was defeated in the Bombay constituency by a congress candidate Kajrolkar.
Some photoes
http://www.elections.in/parliamentary-constituencies/1951-election-results.html
http://en.wikipedia.org/wiki/Indian_general_election,_1951