ROC filing details/time limits

Dear Members,

I have just started working in the secretarial matters. I would like to know ALL the filings(including annual returns,balance sheetprofit/loss acct. charges made, ETC.,) that needs to be done with ROC by a company and its relevant deadlines. I need the full list of things for a company to do and its formalities with deadlines. Please do write to me.

thank you for the assistance

regards

shankaR