Here are some modern and sweet girl names starting with M (suitable in an Indian/Jain context):

1. Mahi – earth; great
2. Mahika – dew drops, earth
3. Mahira – skilled, talented
4. Manya – worthy of honor, respected
5. Mira / Meera – devotee; also means ocean
6. Mishka – gift of love
7. Mitali – friendly
8. Mitali / Meetali – friendship, companionship
9. Mohana / Mohna – charming, attractive
10. Moksha / Mokshika – liberation (very meaningful in Jain Dharma)
11. Mishti / Mishti – sweet
12. Mansi / Manasi – from the mind, heart
13. Mrunal / Mrinal – lotus
14. Mrunmayi / Mrinalini – made of clay; lotus-like
15. Mahima – glory, greatness
16. Mahek / Mehak – fragrance
17. Mauli – crown
18. Medha – intelligence, wisdom
19. Myra / Mayra – admirable, beloved
20. Miraanshi / Miranshi – modern style name, often taken as “ray of light”

If you tell me:

• You prefer very short names (4 letters), or
• You want a spiritually themed name (like Moksha, Shubhi, Dhara, etc.),

I can refine this list and give you a top 5 that match your exact choice.