HDFC Securities recommends 'Buy' rating on Thermax, Jyothy Labs, Birla Corp, Bajaj Electricals.'Add' rating advised on Britannia, ABB.'Sell' call given on Fine Organic, 'Reduce' rating on Alkyl Amines.Britannia Industries Ltd.'s Q4 FY25 results were mixed.Volume growth below estimates, profitability improved due to reduced ad spends and cost efficiencies.