Recipient of Societe Internationale Urology Traveling Fellowship for 1999- 2000, which he utilized for training in Holmium laser in Urology at New Zealand and at New York., Pioneer in the use of Holmium laser in urology in India. He started performing holmium laser enucleation of prostate for management of Benign Enlargement of Prostate in late 1998., One of the initial persons to start therapeutic flexible ureteroscopy in India. Started in 1999. He has 50 national and international publications of which eight are quoted in the Campbell's textbook of Urology., Few unusual surgical procedures were done for the first time in India by Dr. Maheshwari. Laparoscopy assisted PCNL for large calculi in pelvic kidney (3 cases). Laparoscopic repair of spontaneous bladder perforation.. , He has devised a new technique for placement of CAPD catheter laparoscopically. This significantly reduces the complications of CAPD catheter. (> 100 cases)