Hi Rahul! I'll tell you the scope,  job opportunities and payments for both- b pharma and hotel management. And then you can decide which course is better for you  accordingly .

jobs after b pharma:

Drug/Chemical Technician

A Drug Therapist

Drug Coordinatorat hospital

Drug Inspector

Health Inspector

Making and giving  Prescription to the Patients

A Pharmacist

Research Officer

Pathological Lab

Scientist

Research Department & Development

The starting salary ranges from INR 10,000 to INR18,000 per month. Moreover, the package depends on the institute that you choose for your graduation. The salary hikes with experience. After an experience of 2 to 3 years , aspirants can expect a package of INR 9 lakh to INR 12 Lakh per annum.

Jobs after Hotel Management :

Executive Chefs

Food and Beverage Manager

Restaurant and Food Service Managers 

Housekeeping Department

Apart from jobs in Hotels and restaurants one can find good jobs in:

Airline Catering and Cabin Services Club management

Cruise Ship Hotel Management

Catering Hotel and Tourism Associations 

Hospitality services in Navy

Work for Catering departments of railways,armed forces,banks,etc

management trainee or marketing or sales executive

Self employment (entreprenurship)

Starting salaries given by 5-star hotel ranges from INR2lac to INR4lac per annum. After a few years of experience , one's payscale can range from INR 5-8lac.

I hope this information has helped you :)