Hey Aspirant!

Looking at the current situation you're facing, and the amount of time you'll be able to provide, then try opting for courses under the following categories:

Travel and Tourism

English Communication & Presentation skills

Textile Designing

Fashion Designing

Hair & Skin Care

Beautician

Event Management

Office Management

Hospital and Health Care Management (Nursing)

English communication skills

Cosmetics & Lifestyle Product Designing

Catering Management

If we ignore the duration criteria then there are multiple diplas you can do, which are worth a good value:

Diploma in Architectural Assistantship

Diploma in Automobile Engineering

Diploma in Chemical Engineering

Diploma in Civil Engineering

Diploma in Computer Engineering

Diploma in Computer Science and Engineering

Diploma in Electrical Engineering

Diploma in Electronics and Communication Engineering

Diploma in Electronics and Communication Engineering - Industry Integrated

Diploma in Electrical and Electronics Engineering

Diploma in Electronics (Microprocessor)

Diploma in Electronics and Telecommunication Engineering

Diploma in Fashion Design

Diploma in Food Technology

Diploma in Garment Technology

Diploma in Information Technology

Diploma in Instrumentation Technology

Diploma in Interior Design and Decoration

Diploma in Leather Technology

Diploma in Leather Technology (Footwear)

Diploma in Library and Information Sciences

Diploma in Mechanical Engineering

Diploma in Mechanical Engineering (Refrigeration and Air Conditioning)

Diploma in Mechanical Engineering (Tool and Die)

Diploma in Marine Engineering

Diploma in Medical Laboratory Technology

Diploma in Plastic Technology

Diploma in Production and Industrial Engineering

Diploma in Textile Design

Diploma in Textile Processing

Diploma in Textile Technology (Spinning)

Diploma in Textile Technology (Weaving)

Diploma in Textile Technology (Knitting)

Hope it helps.

Best of luck!