Medical negligence by a wellness centre located in delhi

You can file medical negligence case through a lawyer in district consumer forum for negligence in service provided to your child and can claim monetary compensation as well as mental harrassment and can claim damages too

That is really sad, just file a complaint in consumer fouram, you can file personally the complaint but keep all the evidance well in order.

If you are planning to file a complaint against the wellness centre, you may the medical treatment particulars and all other relevant documents to prove medical negligence act by the hospital authorities.

As the cause of action arose at Delhi, you may have to file the case at Delhi consumer redressal commission only.

You can engage the services of a Chennai lawyer also.

You can file online complaint also 

Since the wellness centre situate at Delhi where your son was under care so Consumer Commission at Delhi has jurisdiction to hear your grievance. 

To get the favorable  result you need to file complaint on basis of cogent and expertise evidence regarding negligence of wellness centre . If in case allegations  made by you on opposite party found false/baseless in that event opposite party may sue for defame their reputation  and goodwill.