Expert Trainer
Octa CCIE's
Octa CCIE's

Mr. Arshad Dhunna
Octa CCIE's

Mr. Joaquim Fernandes
CCIE Certified Trainers
CCIE Certified Trainers

Mr Vaibhav Kesarkar
Senior Trainer - vSphere, Network Virtualization, DCv
Vaibhav Kesarkar is a Key member of Octa Network’s Trainers Team. He is a senior trainer – VMware Esxi, NSX with overall 5 years of IT experience focusing mainly on Virtualization infrastructure in enterprise. He is a VCIX-NV certified Professional and holds a number of other cisco certifications. His focus area for the training delivery is VMWare Esxi, vSphere and Network Virtualization.
Vaibhav Kesarkar is a passionate trainer who strongly believes in making a difference in the life of his students by sharing his knowledge and experience with them. His looks at training profession as a very effective tool to motivate, inspire and push his students to go beyond what is taught and seek deep knowledge which can enrich their skillsets and professional careers.
He strives to make sure that the motivated learner gets the most appropriate training which results into amazing outcome.
When not engaged in technical pursuits, Vaibhav Kesarkar likes to spend his time in reading, gardening, cooking and learning new technologies.
CCIE Certified Trainers

Mr Abid Khan
Master Trainer – Enterprise, Security, DC
Abid Khan (CCIE#13181) has over 30 years of experience in the IT industry, with a focus on Cisco networking for past 27 years. He has designed, implemented and supported numerous enterprise networks. He has been a dedicated CCIE instructor for over 20+ years.
Abid Khan founder of Excel Technologies, is most respected and trusted CCIE Instructors since last 20 years. He is one of the best CCIE instructor India could ever have. He is genuine, authentic, warm and a wonderful human being. His teaching style will hold your attention and his obvious love for teaching will draw you in still further.
He has been a mentor and a role model for 1000+ CCIE aspirants trained under him since 2000. His teaching style is atypical and one will always exchange rich discussion with him. His impact on one’s career is enormous.
Abid Khan is an Expert Instructor (Expert would be an understatement) who works religiously with every students to help them achieve their goal to attain their CCIE certification.
Abid Khan is currently pursuing his CCIE Security & CCDE Certifications.
He has been delivering seminars and training sessions all around the world for the past 20 years.
Some of Abid Khan’s clients include:
- Wipro
- LnT Infotech
- DHL
- Tata Communications
- Orange Business Services
- KDCC - Kuwait
- US Army – USA
- ISOL - Thailand
CCIE Certified Trainers

Mr. Sagar Sherla
Master Trainer – Collaboration
Sagar is a Senior Collaboration Trainer at Octa Networks. He has a very strong experience in the field of Cisco Technologies. He is working on Cisco technologies especially Collaboration solutions from 2014. He manages the Cisco CCIE Collaboration lab and training. More than 400+ students have cleared their CCIE Collaboration lab examination under his able guidance till date. Sagar is equally comfortable in delivering Corporate trainings for large corporates including some of the well known global conglomerates.
He has a vast experience of deploying complex projects with Tata Communication Ltd, DHL, MAERSK and other such corporates as a freelance after achieving in graduation (B.Sc. IT).
His core areas of strength are
- Designing & Deploying CUCM, CUC, CUE, IM &P and UCCX
- Dial Plan, Digit Manipulation & Class of restrictions
- CUBE Call Routing, CUE
- SIP, MGCP & H323
- Cisco Meeting Server
- Cisco Expressway
Sagar is a key member of Octa Network’s trainer’s team contributing immensely towards developing course content for Cisco certification program in the Collaboration technology track.
Being a passionate cricket lover and an avid traveller, Sagar spends his freetime pursuing his love for cricket and visiting new places.
His dedication and interest towards his profession of training is influenced by his favourite trainer Kevin Wallace who is a well-known authority in the global technology training arena.
Sagar enjoys the process of training which in turn helps him set specific personal goals to enhance his personal capabilities and efficiency levels in order to achieve performance oriented targets.
CCIE Certified Trainers

Mr. Swapnil Manjalkar
Master Trainer - SP, Segment Routing
Mr. Swapnil has over 8+ years of experience in Service provider Network, He is well qualified and holds Bachelor of commerce & Business from Mumbai university.
He is highly motivated and have extensive experience in debugging/troubleshooting, maintenance & operations of large and complex service provider networks like TATA, Tulip etc . He has expertise of LAN/WAN protocols & multi-vendor environment. Extensive experience with configuration, support, maintenance and implementation of Cisco (IOS/IOS-XR) and Juniper (MX/PTX).
Since joining Octa Networks has has guided and assisted more than 500+ CCIE aspirants in passing of CCIE Service Provider exam across INDIA, China, Russia, UAE, Africa, Pakistan, Australia and USA and builds a strong foundation of Service provider core.
Technical Specialties:
- VLAN, VTP, STP, RSTP, MSTP, Etherchannel, HSRP, VRRP
- BGP, IS-IS, OSPFv2, OSPFv3, RIPv2, EIGRP,
- MPLS L2 VPNs, MPLS L3 VPNs, PE-CE Routing , MPLS TE/FRR
- Inter-AS L3VPN / L2VPN Solutions,
- mVPN/NG-MVPN
- Segment-Routing-IOS-XR
CCNA CCNP Trainers
CCIE Certified Trainers

Mr. Munawar Khan
Master Trainer - Wireless, R&S, Security
Munawar is an experienced senior trainer with 15 years of training experience along with eventful network configuration and troubleshooting stint with a system Integrator/ISP. Munawar is taking care of CCNA and CCNP training (Voice, Security and R&S) at Octa Networks. His vast training experience and field experience makes him very effective and easy to understand for the students. He plays crucial role in the training program for Comptia, CheckPoint, Microsoft Azure and AWS. He is very effective in all the methods of training delivery like Online, Inhouse & corporate trainings.
His core competencies are R&S Enterprise Design and Implementation. He has achieved CCNA & CCNP (R&S, Voice & Security) and Data Center.
He has successfully completed corporate trainings for esteemed organizations like Pune University, IIHT, NTI, Wipro technologies, Bilaspur Coal Fields, Honeywell Automation, L&T Infotech and Karrox. He has a trained a huge number of students for their CCNA and CCNP certifications.
He has worked diligently to prepare a training content and documents which are effective in imparting the training modules to the students effectively.
After finishing his education in commerce stream, he has been working in the training industry wholeheartedly. His focus on communication skills, Interpersonal Skills and problem solving skills helps students beyond the regular technical training that he delivers.
His insatiable thirst for learning new skills and technologies has certainly added immense value to his training skills.
Other Vendor Trainers
CCIE Certified Trainers

Lalit Mehta
Lalit Mehta is a very passionate and experienced senior technical instructor and network consultant. He has an excellent educational track record. He has completed M. Tech. Computer Engineering with Specialization in Networking. He has worked with globally renowned system integrator Datacraft, HCL Technologies, Wipro with overall IT experience of 10 years.
He has following certifications and is working diligently on enhancing his skillsets on various technologies:
- CCIE Security (Lab Attempted)
- CCNP R&S.
- CCNP Security
- PCNSE
- CCSA
- AWS Solution Architect Associate
Lalit Mehta trains Palo Alto, Check Point, Cisco Prime training courses and has trained more than 1000 students from various countries like India, China, Kenya, UAE, Africa, Canada, Australia, USA and UK
He is instrumental in building strong knowledge base and confidence amongst his students (Palo Alto & Checkpoint) who are aiming at Expert level certifications at a later date.
Lalit Mehta spends a lot of his free time in learning new technologies and polishing his skills. He keeps on fine-tuning his training workbooks to suit needs of his students at Octa Networks.
He is passionate about teaching and mentoring students. Nothing gives him more satisfaction than sharing his knowledge with his students while guiding them in the proper direction.
Lalit Mehta keeps on working hard on his training skills and in-depth knowledge about the subject and practical experience so that he can deliver his subject training in front of anybody without any fear or hesitation. He likes to keep himself updated about the future trends and advancements which in turn help his students understand the trends and prepare themselves for the same.
CCIE Certified Trainers

Mr. Salman Dhunna
Senior Trainer - Data Center, ACI
Salman is an experienced trainer who has trained more than 1000 plus students over the period of 5 years. Being a bachelor in Computer Engineering, he gets immersed in various technologies in the networking field.
He takes of CCIE Data Center, Collaboration and Wireless trainings in Octa Networks. He has thorough understanding of VMware solutions which makes him the right candidate for training VMWare related technologies to the students.
Training is his passion. The experience of training matches his likings. He likes to meet new people from all the parts of the world. He likes to share his knowledge and learn from others. He likes to share his knowledge with his students. Sharing knowledge helps us improve our understanding of the subject. Making somebody understand concepts is one of the best feelings. Acknowledgement from the students about learning the new concepts encourages trainers like Salman to concentrate even more on their training skills.
The student and the trainer both get enriched by the experience of sharing their thoughts and knowledge with each other.
Salman believes in never giving up while chasing the dreams. This is what makes him push himself further every-day to improve himself as a person and as a trainer.
CCIE Certified Trainers

Mr. Abhi Saini
CCIE Certified Trainers

Mr. Vaseem Dhunna
Vaseem Dhunna is a Key member of Octa Network’s Trainers Team. He is a senior trainer – DevNet and Pyton with overall 20 years of IT experience focusing mainly on core infrastructure and enterprise infrastructure technologies. He is a DevNet Professional and holds a number of other cisco certifications. His focus area for the training delivery is DevNet and Python.
Vaseem Dhunna is a passionate trainer who strongly believes in making a difference in the life of his students by sharing his knowledge and experience with them. His looks at training profession as a very effective tool to motivate, inspire and push his students to go beyond what is taught and seek deep knowledge which can enrich their skillsets and professional careers.
He strives to make sure that the motivated learner gets the most appropriate training which results into amazing outcome.
When not engaged in technical pursuits, Vaseem likes to spend his time in reading and learning new technologies.
CCIE Certified Trainers

Mr. Qayyum Sayed
Qayyum is an experienced senior trainer with 2 years of training experience along with eventful network configuration and troubleshooting stint. Qayyum is taking care of CCNA and CCNP training (Enterprise) at Octa Networks. His vast training experience and field experience makes him very effective and easy to understand for the students. He is very effective in all the methods of training delivery like Online, Inhouse trainings.
His core competencies are Enterprise Design and Implementation. He has a trained a huge number of students for their CCNA and CCNP certifications.
He has worked diligently to prepare a training content and documents which are effective in imparting the training modules to the students effectively.
After finishing his education in IT Engineering , he has been working in the training industry wholeheartedly. His focus on communication skills, Interpersonal Skills and problem solving skills helps students beyond the regular technical training that he delivers.
His insatiable thirst for learning new skills and technologies has certainly added immense value to his training skills.