* Equity Alert: Cement shrs seen up 3-4% as export ban eased further
* Equity Alert: Neyveli Lignite up 4% on strong Jan-Mar result
* Equity Alert: Suzlon Energy dn 2%; co denies mkt talk CFO may quit
* Equity Alert: Opto Circuits shares up 1% on bonus share issue
* Equity Alert: Tata Motors down 2.4% ahead of Jan-Mar, FY08 earnings
* Distributors say ITC ups prices of some cigarette brands by 5-10%