As you have applied for RRB Guwahati NTPC Exam and now here looking for Calling Letter, so for it here I am telling process for the same :

Go to the RRB Guwahati official web site

Now, you are required to go to “Important Links” section that is available on the home page.

Select the “Schedule of 2nd Stage CBT for NTPC_Graduate Posts against CEN 03-2015” link appeared on the homepage.

Then a new page will appear along with a dialogue box.

Then you need to fill your details like your roll no./ registration no/User Id and Password and press “Login” Tab.

Once you hit on it, your NTPC hall ticket will appear on the next screen.

Download it and take printout of it and keep it safe for further examination use.

Exam syllabus
General Knowledge
• Current Affairs – National & International.
• History – India & World.
• General Science.
• Indian Economy.
• Indian Geography.
• Indian Constitution.
• Indian Culture & Heritage.
• Indian Polity.
• Science & Technology etc.

Arithmetic Ability
• Percentages.
• Pipes & Cisterns.
• Profit and Loss.
• Time & Work.
• Simplification.
• Boats & Streams.
• Averages.
• Time & Distance.
• Problems on Ages.
• Interest.
• Data Interpretation etc.

General Intelligence
• Analogies.
• Space Visualization.
• Similarities.
• Decision Making.
• Problem-Solving.
• Arithmetical Number Series.
• Differences.
• Arithmetical Reasoning.
• Analysis.
• Judgement.
• Relationship Concepts.
• Visual memory.
• Observation.
• Discrimination.
• Verbal and Figure Classification etc.
General Science
• Physics.
• Environmental Studies.
• Chemistry.
• Biology etc.