Mr.Mhatre was not only an civil engineer of par excellence but also a great philantrophist and was instrumental in designing  number of landmark sites, public places, schools,temples.  
   
Some of the landmarks designed and constructed by him are  

• Parshuram Samkhedkar Natya Gruha, 
• Sarvajanik Vachnalaya (Library),
• Shrine of Infant Jesus, the church near St. Xavier's School, Nashik Road , 
• Kalika Devi Mandir, are to name a few amongst many more of his achievements. 
• He has also designed corporates such as Garware , Mico and Crompton Greaves and many more. 

He was the first president of Kusumagraj Pratishthan. He also, over the years served as a presidentfor the Nashik Education Society,Rotary Club of Nashik and the Sarvajanik Vachnalaya. 

He was closely associated with the late Bhau Saheb Hire's Mahatma Gandhi Vidya Mandir and Aadivasi Seva Samiti.  

He was actively involved in helping the late Dr. Gupte who played a tremendous role in the betterment of Nashik, and helping many people with free medical care, with Swachcha ani Sunder Nashik meaning Clean and beautiful Nashik project.