There are several drugs that have been banned due to various reasons such as severe side effects, risks outweighing the benefits, or ineffectiveness. Here are some examples:

Fenfluramine, dexfenfluramine, Rimonabant, Sibutramine, Phenylpropanolamine: These drugs were used for obesity and weight loss but were associated with serious side effects.

Rofecoxib, Valdecoxib: These were non-steroidal painkillers that were associated with adverse heart effects.

Nimesulide + Paracetamol dispersible tablets, Chlorpheniramine Maleate + Codeine Syrup, Pholcodine + Promethazine, Amoxicillin + Bromhexine and Bromhexine + Dextromethorphan + Ammonium Chloride + Menthol, Paracetamol + Bromhexine+ Phenylephrine + Chlorpheniramine + Guaiphenesin and Salbutamol + Bromhexine: These combinations were used for treating common infections, cough, and fever.

Please note that this is not an exhaustive list and the status of these drugs can change based on new research and regulations. For the most accurate and up-to-date information, you should refer to the official resources such as the Central Drugs Standard Control Organization or consult with a healthcare professional.

https://www.medindia.net/health/drugs/drugs-banned-in-india.html