Yes, you are right that RRB Chennai has released recruitment below I am providing you details of that recruitment:

Total Posts: 976 Posts
-Commercial Apprentice: 105 (SR)
-Traffic Apprentice: 127 (SR)
-Goods Guard: 182 (SR)
-Junior Accounts Assistant-cum-Typist: 13 (ICF) & 80 (SR)
-Senior Clerk-Cum-Typist: 3 (ICF), 73 (SR)
-Assistant Station Master: 393 (CR)

Pay Scale:
Candidates will get pay scale Rs. 9300/- to 34800/- + Grade Pay Rs. 4200/- per month for post of Commercial Apprentice and Traffic Apprentice and Rs. 5200/- to Rs.20200/- + Grade Pay Rs. 2800/- per month for Goods Guard),Commercial Apprentice (CA), Junior Accounts Assistant-cum-Typist, Senior Clerk-Cum-Typist.

Eligibility Criteria

Academic Qualification:
Candidates should have completed Degree from recognized university or equivalent / Typing and Compter literacy for clerical posts

Age Limit:
Candidates age should be in between 18 years to 32 years .
Upper age limit is relaxed up to 5 years for SC/ ST Candidates and 3 years for OBC candidates.

Selection Procedure:
-Computer Based Test CBT (Online examination)
-Skill test (Typing test) or aptitude test (wherever applicable)
-Document verification

Application Fee:
-General/OBC Candidates: Rs.100/-
-SC/ST/PWD/Women Candidates: No Fee

Fee will be paid through Challan in any branch of SBI or computerized Post Office Pay-In-Slip or online mode via debit / credit card / net banking.

Exam Pattern:
There will be an objective type paper having multiple choice questions on the following main topics:
-Mathematics
-General Intelligence (Reasoning)
-General Knowledge

Total Number of Questions: 100
Total Marks Allotted: 100
Duration of Exam: one and a half hours

Syllabus:
Mathematics: HCF- LCM, Percentage, Time and Distance, Profit and Loss, Average and Number System
General Intelligence (Reasoning): Data Interpretation, Data Insufficiency and Series Problems
General Knowledge: Current Affairs, Sports, Culture, Political Affairs, Important days and Events, Books and Authors etc.

Important Dates
Online Application Commencement from:26th December 2015
Last date to Submit Online Application Form :25th January 2016
RRB Chennai Recruitment 2016 Exam Date:March to May 2016