Chawrasia sank three birdies against two bogeys on day one at the Royal Calcutta Golf Club (RCGC) here.
Former PGTI Order of Merit winners Chikkarangappa and Chiragh Kumar, however, called the shots today with matching scores of four-under 68.
While Bengaluru-based Chikka regained his putting form, Delhi's Chiragh continued to impress following a creditable top-25 at the recently concluded Indian Open.
The Mhow-based duo of Mukesh Kumar and Om Prakash Chouhan, Chandigarh's Feroz Singh Garewal and Delhi's Ikramuddin Shah were bunched together in tied third at three-under-69.
Also Read
Chikka started the week in style with three birdies on the first four holes but then had a torrid time from the fifth to the eighth, dropping four consecutive bogeys as a result of some erratic hitting.
After being level-par through 14 holes, the 23-year-old produced a final flourish which began with a 75-feet eagle conversion on the 15th. He signed off with two more long birdie conversions on the 17th and 18th.
Kolkata-based rookie Viraj Madappa, playing his first professional event in his home town, shot a 79 to be placed tied 101st.
Disclaimer: No Business Standard Journalist was involved in creation of this content