Diverisified Jain Irrigation Systems Ltd said on Monday its promoters have pledged 3.72 million shares, or 5.1 percent of the company's equity.
It did not disclose with whom the shares had been pledged and the reasons for it.
Promoters held 23.5 million shares, or 32.4 percent of equity as of end-December, according to data on the BSE website.
Shares were up 3.27 percent at 325 rupees in a firm Mumbai market.