New Delhi, June 30 -- Shares of A-1 Limited were locked in 5% upper circuit limit, reaching at Rs.7.30 apiece during Tuesday's session, 30 June, after company informed exchanges that it has been appointed as a primary authorised dealer by Ishan Dyes and Chemicals Limited for a significant portion of the latter's sulphur-based chemical requirements.

In its regulatory filing, the company said the appointment builds on its existing business relationship with Ishan Dyes and Chemicals. Since February 2026, A-1 Ltd has supplied materials worth approximately Rs.40 crore to the company, reflecting its execution capabilities, product quality, and supply reliability.

Under the arrangement, A-1 Ltd will supply a range of sulphur-based industrial c...