Indian Prime Minister Rajiv Gandhi inaugurated the 25th World Amateur Billiards Championship Friday in New Delhi. Sixteen players, including Michael Ferreira of India, the current world champion, are participating . . .

John Curry will bring his troupe of ice dancers back to the Kennedy Center this summer. The Olympic champion and his company of 13 ice skaters, including three-time British champion Patricia Dodd and World Championship Silver Medalist David Santee, will play a three-week run beginning Aug. 8 . . .

Sylvester Stallone, star of "Rambo," is the new action king of the Philippines, according to Manila sources. "Rambo" opened in 25 theaters there, an unusually large number for that city, and is expected to be popular throughout the summer. Ironically, "Rambo" was originally to be shot in the Philippines, but was filmed in Mexico after President Ferdinand Marcos' military refused to let Stallone's bodyguards into the country with their guns . . .

The search may be over for the director of Eddie Murphy's next movie, a comedy-action-adventure titled "The Golden Child," due out next summer. In recent weeks, negotiators have been trying to strike a deal with George Miller, the director of "Mad Max Beyond Thunderdome."

Bugs Bunny, Porky Pig and Daffy Duck will go highbrow when New York's Museum of Modern Art launches a tribute to Warner Bros. animation on Sept. 11. The exhibition, which will run through Jan. 26, will celebrate the 50th anniversary of the museum's film department with screenings of 150 cartoons . . .

Along with records and concert tickets, Madonna may be an uplifting force in sales of lingerie, especially the merry widow -- essentially a long-line bra -- which she frequently wears onstage and in publicity photos. Frederick's of Hollywood, which produces the garment, believes Madonnamania is at least partly responsible for its increased sales (up 30 to 40 percent in the past six months), but general merchandise manager John Chapman said, "We know her popularity has been influential because we're selling to a much younger element" . . .

Mary Anne Dolan, one of the few women to head a major metropolitan newspaper, has resigned as editor of the Los Angeles Herald Examiner effective Aug. 1, the Hearst Corp. announced yesterday. The company said Dolan, 38, who came to the Herald-Examiner from The Washington Star, will remain with the paper as a consultant and will write a weekly column, in addition to serving with ABC News as a commentator and writing a book.