Placement Interview DOs and DON'Ts 2026 - Complete Guide

Last Updated: March 2026

Your interview can make or break your placement dreams. This comprehensive guide covers everything you need to know to ace your interviews with TCS, Infosys, Wipro, Cognizant, Accenture, Amazon, Microsoft, Google, and other top companies.

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20 DOs for Interview Success

Before the Interview

#	DO	Why It Matters
1	Research the company thoroughly	Shows genuine interest; helps tailor answers
2	Prepare your resume story	Be ready to explain every point on your resume
3	Practice common questions	Builds confidence and fluency
4	Prepare 2-3 strong examples using STAR method	Structured answers impress interviewers
5	Dress appropriately for the company culture	First impressions matter significantly
6	Arrive 10-15 minutes early (or join call 5 min early)	Shows punctuality and respect
7	Bring multiple copies of your resume	Preparedness for panel interviews
8	Prepare thoughtful questions to ask	Shows engagement and curiosity
9	Review the job description carefully	Align your answers with requirements
10	Get a good night's sleep	Mental alertness is crucial

During the Interview

#	DO	Why It Matters
11	Maintain eye contact	Builds trust and shows confidence
12	Give a firm handshake	Professional first impression
13	Listen carefully before answering	Ensures you address the actual question
14	Use the interviewer's name occasionally	Builds rapport and shows attentiveness
15	Take a moment to think before answering	Better to pause than ramble
16	Be honest about what you don't know	Integrity beats bluffing
17	Show enthusiasm for the role	Energy is contagious and memorable
18	Quantify your achievements when possible	Numbers make claims credible
19	Thank the interviewer for their time	Professional courtesy
20	Send a follow-up thank you email	Reinforces interest and professionalism

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20 DON'Ts That Can Cost You the Job

Before & During the Interview

#	DON'T	Why It's Harmful
1	Don't be late	Shows disrespect and poor planning
2	Don't speak negatively about previous employers	Makes you seem unprofessional
3	Don't lie or exaggerate	Will be caught and destroys credibility
4	Don't use filler words (um, like, you know)	Makes you seem unprepared
5	Don't check your phone during the interview	Extremely rude and distracting
6	Don't dominate the conversation	Interviews are dialogues, not monologues
7	Don't give one-word answers	Shows lack of engagement
8	Don't discuss salary too early	Appears money-motivated
9	Don't be overconfident or arrogant	Nobody wants to work with a know-it-all
10	Don't criticize the company or interviewer	Burns bridges immediately

Communication & Behavior

#	DON'T	Why It's Harmful
11	Don't interrupt the interviewer	Shows poor listening skills
12	Don't slouch or fidget excessively	Appears disinterested or nervous
13	Don't use profanity or slang	Unprofessional in formal settings
14	Don't bring up personal problems	Keep focus on professional qualifications
15	Don't argue with the interviewer	Even if you disagree, stay diplomatic
16	Don't make excuses for past failures	Own your mistakes and show growth
17	Don't appear desperate	Confidence attracts; desperation repels
18	Don't forget to silence your phone	Interruptions are unprofessional
19	Don't chew gum or eat	Distracting and unprofessional
20	Don't leave without asking about next steps	Shows lack of initiative

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Body Language Guide

Positive Body Language (DO)

Gesture	What It Communicates
Firm handshake	Confidence, professionalism
Upright posture	Alertness, engagement
Appropriate eye contact (60-70%)	Honesty, interest
Open palm gestures	Honesty, openness
Leaning slightly forward	Engagement, enthusiasm
Nodding while listening	Understanding, agreement
Smiling naturally	Approachability, positivity
Mirroring interviewer	Rapport building

Negative Body Language (DON'T)

Gesture	What It Communicates
Crossed arms	Defensiveness, closed-off
Looking down/away constantly	Dishonesty, lack of confidence
Fidgeting	Nervousness, anxiety
Slouching	Disinterest, laziness
Checking watch/clock	Impatience, boredom
Touching face/hair frequently	Nervousness, insecurity
Weak handshake	Lack of confidence
Leaning back too far	Arrogance, disengagement

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Communication Tips

The STAR Method for Behavioral Questions

S - Situation: Set the context T - Task: What was your responsibility? A - Action: What did you do? R - Result: What was the outcome?

Example:

"In my final year project (Situation), I was responsible for leading a team of 4 (Task). I organized daily stand-ups and created a shared timeline (Action), which helped us complete the project 2 weeks early with top grades (Result)."

Power Words to Use

• Achieved
• Implemented
• Led
• Developed
• Improved
• Resolved
• Collaborated
• Initiated
• Streamlined
• Optimized

Words to Avoid

• Just
• Maybe
• Kind of
• Sort of
• I guess
• Whatever
• Honestly (implies you weren't before)
• Literally (usually misused)

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Dress Code by Company Type

IT Services (TCS, Infosys, Wipro, Cognizant)

Men:

• Light colored formal shirt
• Dark trousers
• Formal shoes (polished)
• Belt matching shoes
• Minimal accessories
• Clean shave or well-groomed beard

Women:

• Formal salwar suit OR shirt with trousers/skirt
• Closed-toe formal shoes
• Minimal jewelry
• Professional hairstyle
• Light, professional makeup (optional)

Product Companies (Google, Microsoft, Amazon)

Men:

• Business casual acceptable (collared shirt, chinos)
• Smart casual blazer optional
• Clean, polished shoes
• Well-groomed appearance

Women:

• Business casual dress or separates
• Comfortable yet professional footwear
• Smart accessories
• Professional but approachable look

Consulting/Banking (Deloitte, KPMG, Goldman Sachs)

Men:

• Full business suit (navy, charcoal, black)
• White or light blue shirt
• Conservative tie
• Black leather shoes
• Professional haircut

Women:

• Business suit or formal dress with blazer
• Closed-toe heels or flats
• Conservative jewelry
• Professional bag/portfolio
• Polished, corporate appearance

Startups (Early-stage, tech-focused)

Men & Women:

• Smart casual (clean jeans acceptable)
• Polo or button-down shirt
• Clean sneakers or casual shoes acceptable
• Show personality while being neat

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Virtual Interview Tips

Technical Setup

• Test camera, microphone, and internet beforehand
• Use a clean, professional background
• Ensure good lighting (face visible, no shadows)
• Have backup internet (mobile hotspot)
• Close unnecessary applications

On-Camera Behavior

• Look at the camera, not the screen (creates eye contact)
• Position camera at eye level
• Dress fully professionally (not just the top half)
• Minimize distractions and interruptions
• Have notes nearby but don't read from them

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Common Questions & How to Answer

"Tell me about yourself"

Structure: Present → Past → Future

"I'm a Computer Science graduate with a passion for AI. During my internship at [Company], I worked on machine learning projects [Present/Past]. I'm excited about this role because it combines my technical skills with my interest in innovation [Future]."

"Why should we hire you?"

Structure: Match 3 key qualifications to job requirements

"You should hire me because I bring three things: First, strong technical skills in [relevant technology]. Second, proven teamwork from my project experience. Third, genuine passion for this industry that drives me to continuously learn."

"What is your greatest weakness?"

Structure: Real weakness + Steps to improve

"I sometimes focus too much on details [Weakness]. I've learned to set time limits for tasks and prioritize the big picture [Improvement]. This has actually improved my project delivery times."

"Where do you see yourself in 5 years?"

Structure: Growth within the company

"In 5 years, I see myself as a senior developer leading projects [Role]. I want to deepen my expertise in [relevant area] and mentor junior team members [Growth]. I'm excited about growing with [Company]."

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FAQs

Q1: What if I don't know the answer to a technical question?

A: Be honest: "I haven't worked with that specific technology, but I have experience with similar tools like [X]. I'm a quick learner and eager to expand my skills."

Q2: How do I handle salary questions?

A: Deflect initially: "I'm more focused on finding the right opportunity where I can contribute and grow. I'm sure we can agree on fair compensation if we're a good fit."

Q3: Is it okay to take notes during the interview?

A: Yes, but ask permission first: "Do you mind if I take notes?" Keep it brief and maintain engagement.

Q4: How do I handle stress questions or brain teasers?

A: Stay calm, think aloud, show your problem-solving process. They're often more interested in your approach than the answer.

Q5: What questions should I ask the interviewer?

A: Ask about team culture, day-to-day responsibilities, growth opportunities, or challenges the team is facing. Avoid questions easily answered by the website.

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Remember: The interview is a two-way street. You're evaluating them as much as they're evaluating you. Stay confident, be authentic, and show them why you're the perfect fit!