Mahajani was known as "the Vinod Khanna of the Marathi film industry" due to his personality and looks. He is known for his roles in "Duniya Kari Salam" (1979), "Mumbai cha Fauzdar" (1984), "Zoonj" (1989), "Kalat Nakalat" (1990) and "Aaram Haram Aahe". The latter was a major hit while "Laxmi Chi Pavale" was a blockbuster. He made a comeback with 2015 film "Kay Rao Tumhi."
In the year 2010, Mahajani was awarded with 'Sarvashreshtha Kala Gaurav Puraskar' instituted by Sankskruti Kala Darpan.