Here I am giving you information about important dates to apply for various engineering examination in India below :

JEE Main
Online Application From: 15 November to 6 Jan 2014
Offline Exam: 6 April 2014
Admit Card Release: 10 March 2014
Online Exam: 9, 11, 12, 19 April 2014

JEE Advanced
Offline Exam Only: 25 May 2014
Online Application From: 4 May to 9 May 2014

COMEDK UGET
Exam date : 11 May 2014
Admit Card Download: 25 April 2014
Online application: 12 March to 12 April 2014

CUSAT CAT
All India candidates: 27 April 2014
Kerala candidates: Second week of June 2014
Application Form Released: 25 February 2014
Download of admit card: 10 April to 27 April 2014

Gujarat CET
On the basis of JEE Main 2014
Application: 29 April to 8 May 2014

IPU CET
17-18 May 2014
Application form ends: 10 April 2014

Odisha JEE
Exam Date: 11 May 2014
Application Form ends: 15 March 2014 to 31 March 2014
Download of admit card: 20 April 2014

Rajasthan PET
Last week of May 2014
Form available: last week of March to first week of April 2014

Bihar CET
Application Form: 22 Jan 2014 to 17 Feb 2014
First stage: 13 April 2014
Second stage: last week of June 2014

SRMEEE
Exam date : 17-22 April 2014 (Online)
27 April 2014 (Offline)
Form submission : 18 November 2013 to 30 March 2014

VITEEE
Online Exam: 9-20 April 2014
Application form: 4 December 2013
Application form receiving last date: last week of March