For collect info related to Rajasthan PTET exam you asking for its official website, so here I am telling same for you :

Rajasthan PTET website address
ptetraj2016.com/

from this site you can get lots of info of this exam as like

Key dates

Eligibility

Press Notification related to this exam

Instructions for Center Superintendent

NOTIFICATION DATE 30-04-2016

Schedule for Correction in Form

PTET 2016 Revised Schedule Adv. no-03 Dt. 19-04-2016

PTET 2016 सामान्य दिशा-निर्देश



Key dates for this exam:
01. Date of commencement for depositing Rs. 500/- through eMitra/CSC Kiosks authorised by Rajasthan Government 04-04-2016
02. Date of commencement for filling of the Online Application Form : 04-04-2016
03. Last date of depositing Rs. 500/- through eMitra/CSC Kiosks 24-04-2016
04. Date of closure for filling of the Online Application Form 25-04-2016
05. Entrance Examination PTET-2016
03:00 PM to 06:00 PM 15-05-2016
06. Entrance Examination B.A.-B.Ed/B.Sc-B.Ed
09:00 AM to 12:00 NOON 15-05-201