Here are some modern Jain girls’ names starting with Dha:

• Dhanvi
• Dhanya
• Dharini
• Dharita
• Dhairya
• Dhaani
• Dhanika
• Dharsha
• Dharvini
• Dhanisha
• Dhairavi
• Dhavanika
• Dharvika
• Dhanvika
• Dhriti

If you want, I can also give:

• Jain names with meaningful meanings
• More unique modern names
• Names based on Tirthankar-inspired values