A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_files_driver::open($save_path, $name) should either be compatible with SessionHandlerInterface::open(string $path, string $name): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_files_driver.php

Line Number: 132

Backtrace:

File: /home/rconsult/public_html/application/controllers/Home.php
Line: 7
Function: __construct

File: /home/rconsult/public_html/index.php
Line: 318
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_files_driver::close() should either be compatible with SessionHandlerInterface::close(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_files_driver.php

Line Number: 290

Backtrace:

File: /home/rconsult/public_html/application/controllers/Home.php
Line: 7
Function: __construct

File: /home/rconsult/public_html/index.php
Line: 318
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_files_driver::read($session_id) should either be compatible with SessionHandlerInterface::read(string $id): string|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_files_driver.php

Line Number: 164

Backtrace:

File: /home/rconsult/public_html/application/controllers/Home.php
Line: 7
Function: __construct

File: /home/rconsult/public_html/index.php
Line: 318
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_files_driver::write($session_id, $session_data) should either be compatible with SessionHandlerInterface::write(string $id, string $data): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_files_driver.php

Line Number: 233

Backtrace:

File: /home/rconsult/public_html/application/controllers/Home.php
Line: 7
Function: __construct

File: /home/rconsult/public_html/index.php
Line: 318
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_files_driver::destroy($session_id) should either be compatible with SessionHandlerInterface::destroy(string $id): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_files_driver.php

Line Number: 313

Backtrace:

File: /home/rconsult/public_html/application/controllers/Home.php
Line: 7
Function: __construct

File: /home/rconsult/public_html/index.php
Line: 318
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_files_driver::gc($maxlifetime) should either be compatible with SessionHandlerInterface::gc(int $max_lifetime): int|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_files_driver.php

Line Number: 354

Backtrace:

File: /home/rconsult/public_html/application/controllers/Home.php
Line: 7
Function: __construct

File: /home/rconsult/public_html/index.php
Line: 318
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 285

Backtrace:

File: /home/rconsult/public_html/application/controllers/Home.php
Line: 7
Function: __construct

File: /home/rconsult/public_html/index.php
Line: 318
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: session_set_cookie_params(): Session cookie parameters cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 297

Backtrace:

File: /home/rconsult/public_html/application/controllers/Home.php
Line: 7
Function: __construct

File: /home/rconsult/public_html/index.php
Line: 318
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 307

Backtrace:

File: /home/rconsult/public_html/application/controllers/Home.php
Line: 7
Function: __construct

File: /home/rconsult/public_html/index.php
Line: 318
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 317

Backtrace:

File: /home/rconsult/public_html/application/controllers/Home.php
Line: 7
Function: __construct

File: /home/rconsult/public_html/index.php
Line: 318
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 318

Backtrace:

File: /home/rconsult/public_html/application/controllers/Home.php
Line: 7
Function: __construct

File: /home/rconsult/public_html/index.php
Line: 318
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 319

Backtrace:

File: /home/rconsult/public_html/application/controllers/Home.php
Line: 7
Function: __construct

File: /home/rconsult/public_html/index.php
Line: 318
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 320

Backtrace:

File: /home/rconsult/public_html/application/controllers/Home.php
Line: 7
Function: __construct

File: /home/rconsult/public_html/index.php
Line: 318
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 378

Backtrace:

File: /home/rconsult/public_html/application/controllers/Home.php
Line: 7
Function: __construct

File: /home/rconsult/public_html/index.php
Line: 318
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: drivers/Session_files_driver.php

Line Number: 108

Backtrace:

File: /home/rconsult/public_html/application/controllers/Home.php
Line: 7
Function: __construct

File: /home/rconsult/public_html/index.php
Line: 318
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: session_set_save_handler(): Session save handler cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 110

Backtrace:

File: /home/rconsult/public_html/application/controllers/Home.php
Line: 7
Function: __construct

File: /home/rconsult/public_html/index.php
Line: 318
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: session_start(): Session cannot be started after headers have already been sent

Filename: Session/Session.php

Line Number: 143

Backtrace:

File: /home/rconsult/public_html/application/controllers/Home.php
Line: 7
Function: __construct

File: /home/rconsult/public_html/index.php
Line: 318
Function: require_once

4R Consultancy
+959765655720
Any query? Call us.
info@4rconsultancy.com
Email Us.

Dr. Rayappa C


Gender Male
Specialization Expert in Head & Neck Surgical Oncology and advanced Endoscopic Skull Base Surgery for complex cancer cases.
Location Apollo Chennai

Qualification



  • MBBS, Madras Medical College, Chennai, India (1982)

  • DLO, Diploma in Otorhinolaryngology, Madras University, Chennai, India (1986)

  • FRCS (Edin), Fellowship of the Royal College of Surgeons of Edinburgh, UK (1989)


Achievements & Awards


  • Over 30 years of experience in Head & Neck Surgical Oncology and Skull Base Surgery

  • Established the Department of Head & Neck and Skull Base Surgery at Apollo Cancer Centre, Chennai, in 1995

  • Performed more than 2,500 endoscopic skull base surgeries, including complex cases such as pituitary adenomas, clival chordomas, and craniofacial resections

  • Pioneer of minimally invasive endoscopic skull base surgery in India since 1997

  • Former specialist at King Faisal Specialist Hospital & Research Centre, Riyadh, Saudi Arabia

  • Trained under global experts like Prof. Ugo Fisch (University of Zurich, Switzerland)


Other Information


  • Recognized internationally for expertise in complex head and neck cancer surgeries and advanced skull base surgical techniques

  • Instrumental in advancing minimally invasive surgical approaches to reduce patient morbidity and improve outcomes

  • Member of leading professional bodies including the Indian Medical Association

  • Actively involved in academic teaching and research in head & neck oncology and skull base surgery

Attached Institution


Apollo Hospital

Year of Establishment 1983
Location All Around India
Ambulance Service Available
View Detail