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Zonal Informatics Olympiad (ZIO) & Zonal Computing Olympiad (ZCO) 2020





Zonal Informatics Olympiad (ZIO) and/ or Zonal Computing Olympiad (ZCO) is the starting stage or a selection exam for representing India at the International Olympiad for Informatics (IOI). IOI is one of the twelve international Science Olympiads held annually. Other prominent Science Olympiads include Mathematics, Physics, Chemistry, Biology and Astronomy.


Eligibility Criteria


Student upto class 12th from any school board can participate in the olympiad


How to Apply


Individual Registration

Step 1: Candidate have to register online on the TCS iON Digital Hub for the Indian Computing Olympiad. You can register with google account
Step 2: Fill the application form and pay the registration fee Rs 472/- GST inclusive through internet banking, debit card, credit card
step 3: Once application form is successfully submitted and payment is made, you will receive a confirmation message for the payment via Email and SMS.

Click here to apply


Bulk Registration

  • Bulk registration is only available for registering 10 or more participants at the same time.
  • Any School and Organisation can download the spreadsheet template from their website and fill the candidate details

Click here to download spreadsheet


  • The registration fees are Rs 472 per student, inclusive of GST. This should be paid through a Demand Draft in the name of Indian Association for Research in Computing Science, payable in Mumbai.
  • Make a scanned copy of Demand draft and mail it along with completed spreadsheet to ico@iarcs.org.in before despatching the physical DD to the address by Speed Post or courier



Prof. Madhavan Mukund
Attn: ZIO 2020 Bulk Registration
Chennai Mathematical Institute
H1, SIPCOT IT Park, Siruseri
Kelambakkam 603103
Phone: (044) 7196 1000


Selection Process


Winner will be selected on the basis of computerized entrance test on the TCS iON platform


  • There are no negative marks.
  • Exam is going to be Computer based test


Exam Centres


Centres for ZIO-2020 will be arranged in the following 35 cities:

Allahabad, Amritsar, Ahmedabad, Bangalore, Baroda, Bhopal, Bhubaneswar, Bokaro, Chandigarh, Chennai, Cochin, Coimbatore, Dehradun, Goa, Gwalior, Guwahati, Hyderabad, Indore, Jaipur, Jodhpur, Kanpur, Kolkata, Kota, Lucknow, Mumbai, Nagpur, New Delhi, Patna, Pune, Raipur, Ranchi, Tiruchi, Trivandrum, Varanasi. Visakhapatnam.


Admit Card


Admit cards will be available through the Digital Hub approximately 5 days before the exam.


Important Dates


  • Online application start date: 25 August 2019
  • Last date to apply: 01 November 2019


Examination date

  • Zonal Informatic Olympiad: 10 November 2019
  • Zonal Computing Olympiad: 1 December 2019