company responded saying they always update investors via SEBI disclosures and other material updated in their website… 
Did not answer my specific query about the ACM capacity expansion project.
However, got information from an employee that
a. ACM biz group is developing customers for MP Coke (used in Anode)
b, company is also manufacturing anodes for battery in trial phase. no launch yet.
Disc: Invested from lower levels.