In 1998, Reshammiya made his debut as a music composer with the Salman Khan film Pyaar Kiya To Darna Kya, composing two songs for the project: "Pyaar Kiya To Darna Kya" and "Tum Par Hum Hai Aatke".

His first movie as a solo composer was another Salman Khan production, Dulhan Hum Le Jayenge.

In 2005, he worked on ten more films, including Aashiq Banaya Aapne and Maine Pyaar Kyun Kiya?.

[14] As a singer, Reshammiya has recorded multiple popular songs, such as "Aashiq Banaya Aapne", "Tera Suroor", "Zara Jhoom Jhoom", "Jhalak Dikhlaja", "Andaz Apna Apna", "Afsana", "Shakalaka Boom Boom", "Meri Awaargi", "Hookah Bar", "Chalao Na Naino Se", and "Tandoori Nights".

[17] Reshammiya was actively involved in mentoring and judging the singing competition Sa Re Ga Ma Pa Challenge on Zee TV.

In 2009, Vaishali Mhade, a female contestant from his Jai Mata Di Let's Rock Gharana group, won the singing competition.

He appeared as the special guest in the Grand Finale of Jo Jeeta Wohi Superstar 2, where he also trained the top four contestants.

[21] Reshammiya also confirmed that he would make a biopic about the soldier Bishnu Shrestha; the film would be based on his involvement in the Maurya Express train robbery.

[26] Later in August, Reshammiya announced another album Super Sitaara, which will feature singers from 90's era like Kumar Sanu, Alka Yagnik and lyricist Sameer.

[28] In 2022, he composed all the songs for Anand L. Rai's film Raksha Bandhan, collaborating with Akshay Kumar after ten years since Khiladi 786.

Reshammiya additionally won a BIG Star Entertainment Award as best music director for Prem Ratan Dhan Payo.