Both are the decent colleges in term of placement, Faculty & Industry exposure etc. You can choose as per your convenience. PIET invites the leading brands of the corporate world to campus every year. The Reputed companies like Amazon, TCS, Wipro, Capgemini, Cognizant, Syntel, Accenture, IBM, HCL, Sasken, CSC,  etc., conduct the campus interviews and recruited students through the Consortium. To check the complete placement you can go through with the given below link.

http://www.piet.co.in/placements/

Various companies visit like cognizant,TCS,Infosys,Wipro,L & T, Amdocs etc. to the campus LNCT for campus interview. You can check the complete placement of LNCT with the given below link.

https://www.lnct.ac.in/placement-records/

You can also check the genuine reviews of the colleges with the given below links.

https://engineering.careers360.com/colleges/panipat-institute-of-engineering-and-technology-panipat

https://engineering.careers360.com/colleges/lakshmi-narain-college-of-technology-bhopal

Good Luck!