Hi @raju823
Welcome to Dhan community. Pinescript editor is not extended to the hosted library we have on tv.dhan.co. In case you want to user your own strategy on TradingView, you can use Dhan to execute your strategy via webhooks provided by Dhan for Free.
More about this here: Introducing Webhook Alerts : Direct Order Placements on TradingView from Dhan
If you want to execute basket strategy, then refer to this: Introducing: Now execute your Basket Orders via webhooks on TradingView