Jha brought in a second round card of six-under-66 to take pole position at the halfway stage at nine-under-135.
Chikkarangappa and Khalin Joshi fired scores of 69 to be tied second, one off the lead, as all Bengalureans occupied the top three positions.
Faridabad's Abhinav Lohan and Delhi's Shamim Khan shot the day's best scores of 65 to be joint fourth at seven-under-137 along with Bengaluru's Udayan Mane who returned a 68.
The towering Jha, standing 6 feet 5 inches tall, sank four more birdies on the back-nine at the expense of just one bogey. His shot of the day came on the 13th where he landed it within a foot for birdie from a distance of 100 yards.
Also Read
Jha said, "I hit it closer today as compared to day one. I set up quite a few short birdie putts. I was also putting like my old self after a long time and rolled them well.
He further said, "I've not had a single top-20 finish this year. However, I've been fairly consistent having made the cut in all seven events that I've played so far. I've been close to par all along and have not shot very high scores. I've also been a lot straighter off the tee this year."
Khalin was left to rue the missed opportunities as he couldn't convert the four eagle chances from within 10 feet that came his way on all the par-5 holes.
Both Abhinav Lohan and Shamim Khan made an eagle, six birdies and a bogey each to produce the day's best scores of seven-under-65. Lohan holed out from 85 yards for his eagle on the ninth.
Disclaimer: No Business Standard Journalist was involved in creation of this content