It is better to enter in Diploma after 10th because why you waste your valuable time 2 years to study 12th. One can get admission in II Year Engineering course after completing diploma course

Some new Diploma courses after 10th that have been introduced by many educational institutions are:

Course in printing technology
Course in leather technology
Forest ranger courses
Course in poultry
Diploma in dairy management and animal husbandry
Diploma in general nursing
Certificate course in applied statistics
Certificate course in entrepreneurship techniques
Certificate course in building supervision
Vocational courses in fisheries
Course in tool and die making

Apart from these off beat courses the usual and more popular Diploma courses after 10th that students pursue are:

Courses in modeling
Diplomas in various languages
Diploma in stenography
Diploma in beauty culture and hair dressing, garment technology and others
Diploma in music
Diploma in dance
Diploma in medical laboratory technology
Diploma in accountancy
Certificate in social service
Diploma courses in interior designing and decoration
Diploma in secretarial practice
Diploma in applied arts
Diploma in dramatics
Diploma in engineering (electronics, mechanical, electrical, computers, automobile etc.)