Answer

GSMPJS Felicitates Shri Shri Kamleshbhai Shah as Jin Shasan Ratna for His Seva to the Shashwat Tirth, Shri Shatrunjay Giriraj, in the Divine Presence of Achary Shri Tirthbhadrasuriswarji Maharaj Saheb.

Alternative Redrafts

• GSMPJS Felicitates Shri Shri Kamleshbhai Shah as Jin Shasan Ratna for His Dedicated Seva to the Shashwat Tirth Shri Shatrunjay Giriraj, in the Presence of Achary Shri Tirthbhadrasuriswarji Maharaj Saheb.
• GSMPJS Honours Shri Shri Kamleshbhai Shah with the Title of Jin Shasan Ratna for His Esteemed Seva to the Shashwat Tirth, Shri Shatrunjay Giriraj, in the Presence of Achary Shri Tirthbhadrasuriswarji Maharaj Saheb.

Takeaway

I have kept the tone respectful, devotional, and more grammatically polished while preserving the original meaning.