1)The Bombay High Courtin case of Mrs. Perin Hoshang Davierwalla & Anr. v. Mr. Kobad Dorabji Davierwalla &ors has held that ad interim orders passed by the courts in exercise of their power under Order 39 Rule 1 of the Code of Civil Procedure, 1908 while exercising power under Section 9 of the Arbitration and Conciliation Act, 1996 are appealable under Section 37 of the Act.
the appeal provisions under Section 37 of the Act include within their ambit not only an appeal which maybe filed against an interim order passed under Section 9 of the Act but also an ad-interim order which maybe passed by a trial court under the same provision.
2) an appeal against order passed by district court would lie to HC
3)you would have to bear the costs incurred for engaging lawyer and opposing appeal . in case appeal is dismissed you should pray for imposition of costs
4) you can pray that award of payment of costs should be complied with by the respondents as per order passed by district court