Here are some modern Jain girl names starting with B:

• Bhavya — auspicious, grand, noble
• Bharati — learned, eloquent
• Bhavika — devoted, righteous
• Bhoomi — earth, grounded
• Bhakti — devotion
• Bandhavi — related, affectionate
• Binita — humble, polite
• Brija — soft, gentle
• Bina — musical, wise
• Bhaavi — bright, future-oriented
• Bhavya Jain — very popular modern Jain-style name
• Bhumika — role, foundation
• Brinda — sacred basil; also graceful
• Bansi — flute-like, melodious
• Bhairavi — powerful, radiant

If you want, I can also give:

• rare Jain girl names starting with B
• short modern names starting with B
• names with spiritual meaning only