NEW DELHI — Authorities tightened security across the Indian capital on Friday as the 'cockroach' movement prepared to hold a rally in New Delhi's central business district, warning residents of traffic disruptions. The gathering is the latest in a string of protests demanding the resignation of India's top election official.

The youth-led Cockroach Janta Party (CJP), along with opposition groups and student organizations, has staged near-daily demonstrations this month calling for Chief Election Commissioner Gyanesh Kumar to step down. The protests center on a revision of voter lists that critics allege favors Prime Minister Narendra Modi's Bharatiya Janata Party (BJP). Because Kumar's office oversees the voter rolls at the heart of the dispute, the demand places the credibility of the machinery that decides Indian elections — and the balance of power between the ruling party and its opponents — directly at stake.

More than 130 million voters were removed from the rolls during the revision. The Election Commission has denied favoring any party, saying voters wrongly deleted may re-enroll. The BJP, for its part, has accused opponents of undermining democracy by unjustly questioning legitimate electoral processes.

CJP founder Abhijeet Dipke called Friday's flag protest in support of two CJP leaders who were detained and jailed this week for five days after demonstrating at a protest site in violation of a ban.

CJP and left-wing student groups have urged supporters to assemble at Central Park in Connaught Place, New Delhi's busy shopping and dining district, on Friday evening to wave and hoist the national flag.

Delhi Police, however, urged the public not to join “such assemblies,” and the civic authority announced late on Thursday that the park would be closed for two days “due to administrative reasons.” Police said they could instead facilitate a select group of people to carry the national flag and sing the national anthem at a “suitable place.” Where, or whether, Friday's gathering ultimately proceeds remained unresolved heading into the evening.

Traders in the area petitioned the Supreme Court to block the protest, arguing it “would cause severe loss,” and demanded compensation for losses suffered in connection with a similar rally planned over the weekend that was foiled by a security crackdown. The petition opens a legal front in a standoff being contested on the streets and inside the Election Commission.

The cockroach movement has emerged as one of the most significant political challenges facing Modi and his BJP in his 12 years in power. Earlier this year, a weeks-long sit-in by its supporters forced Education Minister Dharmendra Pradhan's resignation over exam paper leaks — a track record that underscores the stakes as the movement shifts its focus from a cabinet minister to the official who oversees the country's elections.

The latest wave of demonstrations erupted after The Indian Express newspaper reported that two of Kumar's deputies raised concerns internally about voter list changes, registration procedures and digital systems. How the Election Commission responds to those reported internal concerns, and how the Supreme Court acts on the traders' petition, remain open questions as the confrontation unfolds. — Reuters